diff --git a/01-node-tutorial/02-globals.js b/01-node-tutorial/02-globals.js
index dea40dad42..fd7d0d07bc 100644
--- a/01-node-tutorial/02-globals.js
+++ b/01-node-tutorial/02-globals.js
@@ -6,7 +6,9 @@
 // module     - info about current module (file)
 // process    - info about env where the program is being executed
 
-console.log(__dirname)
 setInterval(() => {
   console.log('hello world')
 }, 1000)
+console.log('__dirname:', __dirname);
+console.log('process.env.MY_VAR:', process.env.MY_VAR);
+console.log('__filename:', __filename);
\ No newline at end of file
diff --git a/01-node-tutorial/03-modules.js b/01-node-tutorial/03-modules.js
index 2bab9c49e9..525161e9b9 100644
--- a/01-node-tutorial/03-modules.js
+++ b/01-node-tutorial/03-modules.js
@@ -7,3 +7,4 @@ require('./07-mind-grenade')
 sayHi('susan')
 sayHi(names.john)
 sayHi(names.peter)
+console.log(data)
\ No newline at end of file
diff --git a/01-node-tutorial/10-fs-sync.js b/01-node-tutorial/10-fs-sync.js
index 391a7876c3..cdb3ae579f 100644
--- a/01-node-tutorial/10-fs-sync.js
+++ b/01-node-tutorial/10-fs-sync.js
@@ -1,4 +1,4 @@
-const { readFileSync, writeFileSync } = require('fs')
+const { readFileSync, writeFileSync, write, writeFile, readFile } = require('fs')
 console.log('start')
 const first = readFileSync('./content/first.txt', 'utf8')
 const second = readFileSync('./content/second.txt', 'utf8')
@@ -8,5 +8,10 @@ writeFileSync(
   `Here is the result : ${first}, ${second}`,
   { flag: 'a' }
 )
+writeFileSync('./answers/temporary/fileA.txt',"Testing this",{flag:'a'})
+writeFileSync('./answers/temporary/fileA.txt',"Testing t23his",{flag:'a'})
+writeFileSync('./answers/temporary/fileA.txt',"Testing t2123his",{flag:'a'})
+const readingFIleA = readFileSync('./answers/temporary/fileA.txt','utf8')
+console.log(readingFIleA)
 console.log('done with this task')
 console.log('starting the next one')
diff --git a/01-node-tutorial/11-fs-async.js b/01-node-tutorial/11-fs-async.js
index 80629fe7ce..862b80d5c5 100644
--- a/01-node-tutorial/11-fs-async.js
+++ b/01-node-tutorial/11-fs-async.js
@@ -1,4 +1,4 @@
-const { readFile, writeFile } = require('fs')
+const { readFile, writeFile, write, writeFileSync } = require('fs')
 
 console.log('start')
 readFile('./content/first.txt', 'utf8', (err, result) => {
@@ -27,3 +27,40 @@ readFile('./content/first.txt', 'utf8', (err, result) => {
   })
 })
 console.log('starting next task')
+
+readFile('./answers/temporary/fileB.txt','utf8',(err,result)=> {
+  if(err){
+    console.log("The file was not read OH NOO",err)
+    return
+  }else{
+    const firstGrocery = result 
+    writeFileSync('./answers/temporary/fileB.txt',"Pizza 10.25$",(err,result)=>{
+      if(err){
+        console.log(err)
+        return 
+      }
+      console.log("Finnaly wrote the first grocery")
+    })
+     const secondGrocery = result
+      writeFileSync('./answers/temporary/fileB.txt',"Lemons 20.30$",(err,result)=>{
+        if(err){
+          console.log(err)
+          return 
+        }
+        console.log("Finnaly wrote teh second grocery")
+        
+      }) 
+      const thirdGrocery = result
+       writeFileSync('./answers/temporary/fileB.txt',"Potato 20.30$",(err,result)=>{
+        if(err){
+          console.log(err)
+          return 
+        }
+        console.log("Finnaly wrote teh second grocery")
+        
+      })  
+
+
+  }
+})
+console.log("This is the end")
diff --git a/01-node-tutorial/12-http.js b/01-node-tutorial/12-http.js
index f53295f286..db78530b7f 100644
--- a/01-node-tutorial/12-http.js
+++ b/01-node-tutorial/12-http.js
@@ -1,17 +1,17 @@
 const http = require('http')
 
 const server = http.createServer((req, res) => {
-  //   if (req.url === '/') {
-  //     res.end('Welcome to our home page')
-  //   }
-  //   if (req.url === '/about') {
-  //     res.end('Here is our short history')
-  //   }
-  //   res.end(`
-  //   <h1>Oops!</h1>
-  // <p>We can't seem to find the page you are looking for</p>
-  // <a href="/">back home</a>
-  //   `)
+    if (req.url === '/') {
+      res.end('Welcome to our home page')
+    }
+    if (req.url === '/about') {
+      res.end('Here is our short history')
+    }
+    res.end(`
+    <h1>Oops!</h1>
+  <p>We can't seem to find the page you are looking for</p>
+  <a href="/">back home</a>
+    `)
   // ###################################
   // ###################################
   //
diff --git a/01-node-tutorial/answers/.gitignore b/01-node-tutorial/answers/.gitignore
new file mode 100644
index 0000000000..edb9bf87d7
--- /dev/null
+++ b/01-node-tutorial/answers/.gitignore
@@ -0,0 +1,3 @@
+/node_modules
+.DS_Store
+temp.txt
diff --git a/01-node-tutorial/answers/16-stream.js b/01-node-tutorial/answers/16-stream.js
new file mode 100644
index 0000000000..e9daa31400
--- /dev/null
+++ b/01-node-tutorial/answers/16-stream.js
@@ -0,0 +1,32 @@
+const { createReadStream } = require("fs");
+const path = require("path");
+
+// Create the path to the big file
+const filePath = path.join(__dirname, "../content/big.txt");
+
+// Create the read stream with encoding and highWaterMark
+const stream = createReadStream(filePath, {
+    encoding: "utf8",
+    highWaterMark: 200   // You will change this number to test later
+});
+
+let counter = 0;
+
+// Handle data event
+stream.on("data", (chunk) => {
+    counter++;
+    console.log(`Chunk #${counter}:`);
+    console.log(chunk);
+    console.log("--------------------------------------------------");
+});
+
+// Handle end event
+stream.on("end", () => {
+    console.log(`\nFinished reading file.`);
+    console.log(`Total chunks received: ${counter}`);
+});
+
+// Handle error event
+stream.on("error", (err) => {
+    console.error("Error:", err);
+});
diff --git a/01-node-tutorial/answers/customEmitter.js b/01-node-tutorial/answers/customEmitter.js
new file mode 100644
index 0000000000..d65554874e
--- /dev/null
+++ b/01-node-tutorial/answers/customEmitter.js
@@ -0,0 +1,6 @@
+const EventEmitter = require("events");  
+const emitter = new EventEmitter();  
+setInterval(() => {  
+  emitter.emit("timer", "hi there");  
+}, 2000);  
+emitter.on("timer", (msg) => console.log(msg));  
\ No newline at end of file
diff --git a/01-node-tutorial/answers/package-lock.json b/01-node-tutorial/answers/package-lock.json
new file mode 100644
index 0000000000..8d8a478351
--- /dev/null
+++ b/01-node-tutorial/answers/package-lock.json
@@ -0,0 +1,389 @@
+{
+  "name": "answers",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "answers",
+      "version": "1.0.0",
+      "license": "ISC",
+      "devDependencies": {
+        "nodemon": "^3.1.11"
+      }
+    },
+    "node_modules/anymatch": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz",
+      "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/balanced-match": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/binary-extensions": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.3.0.tgz",
+      "integrity": "sha512-Ceh+7ox5qe7LJuLHoY0feh3pHuUDHAcRUeyL2VYghZwfpkNIy/+8Ocg0a3UuSoYzavmylwuLWQOf3hl0jjMMIw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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+        "glob-parent": "~5.1.2",
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+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
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+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      },
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+        "fsevents": "~2.3.2"
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+      "peerDependenciesMeta": {
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+      "license": "MIT"
+    },
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+      "license": "MIT",
+      "dependencies": {
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+        "debug": "^4",
+        "ignore-by-default": "^1.0.1",
+        "minimatch": "^3.1.2",
+        "pstree.remy": "^1.1.8",
+        "semver": "^7.5.3",
+        "simple-update-notifier": "^2.0.0",
+        "supports-color": "^5.5.0",
+        "touch": "^3.1.0",
+        "undefsafe": "^2.0.5"
+      },
+      "bin": {
+        "nodemon": "bin/nodemon.js"
+      },
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+      "license": "MIT",
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+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/simple-update-notifier": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/simple-update-notifier/-/simple-update-notifier-2.0.0.tgz",
+      "integrity": "sha512-a2B9Y0KlNXl9u/vsW6sTIu9vGEpfKu2wRV6l1H3XEas/0gUIzGzBoP/IouTcUQbm9JWZLH3COxyn03TYlFax6w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "semver": "^7.5.3"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "has-flag": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "is-number": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=8.0"
+      }
+    },
+    "node_modules/touch": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.1.tgz",
+      "integrity": "sha512-r0eojU4bI8MnHr8c5bNo7lJDdI2qXlWWJk6a9EAFG7vbhTjElYhBVS3/miuE0uOuoLdb8Mc/rVfsmm6eo5o9GA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "nodetouch": "bin/nodetouch.js"
+      }
+    },
+    "node_modules/undefsafe": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true,
+      "license": "MIT"
+    }
+  }
+}
diff --git a/01-node-tutorial/answers/package.json b/01-node-tutorial/answers/package.json
new file mode 100644
index 0000000000..b866900c9a
--- /dev/null
+++ b/01-node-tutorial/answers/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "answers",
+  "version": "1.0.0",
+  "description": "",
+  "license": "ISC",
+  "author": "",
+  "type": "commonjs",
+  "main": "prompter.js",
+  "scripts": {  
+        "test": "echo \"Error: no test specified\" && exit 1",  
+        "dev": "nodemon prompter.js",  
+        "start": "node prompter.js"  
+      },  
+  "devDependencies": {
+    "nodemon": "^3.1.11"
+  }
+}
diff --git a/01-node-tutorial/answers/prompter.js b/01-node-tutorial/answers/prompter.js
index 38e93d8311..363f76940f 100644
--- a/01-node-tutorial/answers/prompter.js
+++ b/01-node-tutorial/answers/prompter.js
@@ -1,6 +1,7 @@
 const http = require("http");
 var StringDecoder = require("string_decoder").StringDecoder;
 
+// Function to parse the body of the POST request
 const getBody = (req, callback) => {
   const decode = new StringDecoder("utf-8");
   let body = "";
@@ -20,18 +21,25 @@ const getBody = (req, callback) => {
   });
 };
 
-// here, you could declare one or more variables to store what comes back from the form.
-let item = "Enter something below.";
+// Generate a random number between 1 and 10
+const generateRandomNumber = () => {
+  return Math.floor(Math.random() * 10) + 1;
+};
+
+// Declare variables for game state
+let randomNumber = generateRandomNumber();
+let message = "Guess a number between 1 and 10.";
+let guessResult = "";
 
-// here, you can change the form below to modify the input fields and what is displayed.
-// This is just ordinary html with string interpolation.
+// HTML form for the game
 const form = () => {
   return `
   <body>
-  <p>${item}</p>
+  <p>${message}</p>
+  <p>${guessResult}</p>
   <form method="POST">
-  <input name="item"></input>
-  <button type="submit">Submit</button>
+    <input name="guess" type="number" min="1" max="10" required></input>
+    <button type="submit">Submit Guess</button>
   </form>
   </body>
   `;
@@ -40,16 +48,24 @@ const form = () => {
 const server = http.createServer((req, res) => {
   console.log("req.method is ", req.method);
   console.log("req.url is ", req.url);
+
   if (req.method === "POST") {
     getBody(req, (body) => {
       console.log("The body of the post is ", body);
-      // here, you can add your own logic
-      if (body["item"]) {
-        item = body["item"];
+      const userGuess = parseInt(body["guess"], 10);
+
+      // Check the guess
+      if (userGuess === randomNumber) {
+        guessResult = `Correct! The number was ${randomNumber}.`;
+        message = "You won! Refresh the page to play again.";
       } else {
-        item = "Nothing was entered.";
+        guessResult = `Wrong! You guessed ${userGuess}. Try again.`;
+        message = "Guess a number between 1 and 10.";
       }
-      // Your code changes would end here
+
+      // After the guess, reset the random number for a new game
+      randomNumber = generateRandomNumber();
+
       res.writeHead(303, {
         Location: "/",
       });
diff --git a/01-node-tutorial/answers/writeWithPromisesAwait.js b/01-node-tutorial/answers/writeWithPromisesAwait.js
new file mode 100644
index 0000000000..3d5e5744d9
--- /dev/null
+++ b/01-node-tutorial/answers/writeWithPromisesAwait.js
@@ -0,0 +1,33 @@
+const { writeFile, readFile } = require("fs").promises;  
+
+const writer = async () => {
+    const data = "Writing this file";
+    try {
+        await writeFile("temp.txt", data);
+        console.log("File was written successfully");
+        
+     
+        await writeFile("temp.txt", "Writing directly into it is also another file");
+        await writeFile("temp.txt", "This is the third write");
+    } catch (error) {
+        console.log("This is the error:", error);
+    }
+}
+
+const reader = async () => {
+    try {
+
+        const fileContent = await readFile("temp.txt", "utf8");
+        console.log("This is the file content:", fileContent);
+    } catch (error) {
+        console.log("Error reading the file:", error);
+    }
+}
+
+const readwrite = async () => {
+    await writer(); 
+    await reader(); 
+}
+
+
+readwrite();
diff --git a/01-node-tutorial/answers/writeWithPromisesThen.js b/01-node-tutorial/answers/writeWithPromisesThen.js
new file mode 100644
index 0000000000..17812911e8
--- /dev/null
+++ b/01-node-tutorial/answers/writeWithPromisesThen.js
@@ -0,0 +1,36 @@
+const { writeFile, readFile } = require("fs").promises;
+
+const writer = () => {
+    const data = "Writing this file";
+    writeFile("temp.txt", data)
+        .then(() => {
+            console.log("File was written successfully");
+            return writeFile("temp.txt", "\nWriting directly into it is also another file", { flag: 'a' });
+        })
+        .then(() => {
+         
+            return writeFile("temp.txt", "\nThis is the third write", { flag: 'a' });
+        })
+        .catch((error) => {
+            console.log("This is the error:", error);
+        });
+};
+
+const reader = () => {
+   
+    readFile("temp.txt", "utf8")
+        .then((fileContent) => {
+            console.log("This is the file content:", fileContent);
+        })
+        .catch((error) => {
+            console.log("Error reading the file:", error);
+        });
+};
+
+const readwrite = () => {
+    
+    writer();
+    reader();
+};
+
+readwrite();
diff --git a/01-node-tutorial/content/result-sync.txt b/01-node-tutorial/content/result-sync.txt
index c1675fa38e..32b97dae2a 100644
--- a/01-node-tutorial/content/result-sync.txt
+++ b/01-node-tutorial/content/result-sync.txt
@@ -1 +1 @@
-Here is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text file
\ No newline at end of file
+Here is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text fileHere is the result : Hello this is first text file, Hello this is second text file
diff --git a/02-express-tutorial/app.js b/02-express-tutorial/app.js
index ce296a6ee3..1d7ddf4fc4 100644
--- a/02-express-tutorial/app.js
+++ b/02-express-tutorial/app.js
@@ -1 +1,17 @@
-console.log('Express Tutorial')
+const express = require("express");
+const app = express();
+const PORT = 3000;
+
+app.use(express.urlencoded({ extended: false }));
+app.use(express.json());
+app.use(express.static("./public"));
+
+const peopleRouter = require("../02-express-tutorial/public/router/people");
+const productsRouter = require("../02-express-tutorial/public/router/products");
+
+app.use("/api/v1/people", peopleRouter);
+app.use("/api/v1/products", productsRouter);
+
+app.listen(PORT, () => {
+  console.log(`Server running on port ${PORT}`);
+});
diff --git a/02-express-tutorial/data.js b/02-express-tutorial/data.js
index 08a64ff138..432fdd7bfd 100644
--- a/02-express-tutorial/data.js
+++ b/02-express-tutorial/data.js
@@ -1,4 +1,7 @@
+
+
 const products = [
+  { id: 7, name: "Lamp", price: 15.0 },
   {
     id: 1,
     name: 'albany sofa',
diff --git a/02-express-tutorial/package-lock.json b/02-express-tutorial/package-lock.json
index 417394ff8b..8bb5c6b82e 100644
--- a/02-express-tutorial/package-lock.json
+++ b/02-express-tutorial/package-lock.json
@@ -5,6 +5,7 @@
   "requires": true,
   "packages": {
     "": {
+      "name": "2-express-tutorial",
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
diff --git a/02-express-tutorial/public/index.html b/02-express-tutorial/public/index.html
new file mode 100644
index 0000000000..b895bc8e09
--- /dev/null
+++ b/02-express-tutorial/public/index.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Hello Page</title>
+  </head>
+  <body>
+    <h1>Hello There</h1>
+  </body>
+</html>
diff --git a/02-express-tutorial/public/router/people.js b/02-express-tutorial/public/router/people.js
new file mode 100644
index 0000000000..9d38b3d07c
--- /dev/null
+++ b/02-express-tutorial/public/router/people.js
@@ -0,0 +1,31 @@
+const express = require("express");
+const router = express.Router();
+const { people } = require("../../data");
+
+
+
+router.get("/", (req, res) => {
+  res.json(people);
+});
+router.post("/", (req, res) => {
+  const { name } = req.body;
+
+  if (!name) {
+    return res.status(400).json({
+      success: false,
+      message: "Please provide a name",
+    });
+  }
+
+  people.push({
+    id: people.length + 1,
+    name,
+  });
+
+  res.status(201).json({
+    success: true,
+    data: people,
+  });
+});
+
+module.exports = router;
diff --git a/02-express-tutorial/public/router/products.js b/02-express-tutorial/public/router/products.js
new file mode 100644
index 0000000000..4681efdc50
--- /dev/null
+++ b/02-express-tutorial/public/router/products.js
@@ -0,0 +1,48 @@
+const express = require("express");
+const router = express.Router();
+const { products } = require("../../data");
+
+router.get("/", (req, res) => {
+  res.json(products);
+});
+router.get("/:productID", (req, res) => {
+  const idToFind = Number(req.params.productID);
+  const product = products.find((p) => p.id === idToFind);
+
+  if (!product) {
+    return res.status(404).json({ message: "Product not found" });
+  }
+
+  res.json(product);
+});
+router.get("/query/search", (req, res) => {
+  let { search, limit, maxPrice, regex } = req.query;
+  let filteredProducts = [...products];
+
+  if (search) {
+    filteredProducts = filteredProducts.filter((product) =>
+      product.name.toLowerCase().startsWith(search.toLowerCase())
+    );
+  }
+
+  if (maxPrice) {
+    filteredProducts = filteredProducts.filter(
+      (product) => product.price < Number(maxPrice)
+    );
+  }
+
+  if (regex) {
+    const pattern = new RegExp(regex, "i");
+    filteredProducts = filteredProducts.filter((product) =>
+      pattern.test(product.name)
+    );
+  }
+
+  if (limit) {
+    filteredProducts = filteredProducts.slice(0, Number(limit));
+  }
+
+  res.json(filteredProducts);
+});
+
+module.exports = router;
diff --git a/03-task-manager/errors/custom-error.js b/03-task-manager/errors/custom-error.js
new file mode 100644
index 0000000000..d4bd896f73
--- /dev/null
+++ b/03-task-manager/errors/custom-error.js
@@ -0,0 +1,11 @@
+class CustomAPIError extends Error{
+    constructor(message,statusCode){
+        super(message)
+        this.statusCode = statusCode
+    }
+}
+const createCustomError = (msg,statusCode) => {
+    return new CustomAPIError(msg,statusCode)
+}
+
+module.exports = {createCustomError,CustomAPIError}
diff --git a/03-task-manager/middleware/async.js b/03-task-manager/middleware/async.js
new file mode 100644
index 0000000000..d5dfe991b4
--- /dev/null
+++ b/03-task-manager/middleware/async.js
@@ -0,0 +1,10 @@
+const asyncWrapper = (fn) => {
+return async (req,res,next) => {
+    try {
+        await fn(req,res,next)
+    } catch (error) {
+        next(error)
+    }
+}
+}
+module.exports = asyncWrapper
\ No newline at end of file
diff --git a/03-task-manager/middleware/errorhandler.js b/03-task-manager/middleware/errorhandler.js
new file mode 100644
index 0000000000..2475ed3f42
--- /dev/null
+++ b/03-task-manager/middleware/errorhandler.js
@@ -0,0 +1,9 @@
+
+const {CustomAPIError} = require("../errors/custom-error")
+const errorhandlermiddleware = (err,req,res,next) => {
+    if(err instanceof CustomAPIError){
+        return res.status(err.statusCode)
+    }
+    return res.status(err.status).json({msg:"Something went wrong, please try again"})
+}
+module.exports = errorhandlermiddleware
\ No newline at end of file
diff --git a/03-task-manager/middleware/notFound.js b/03-task-manager/middleware/notFound.js
new file mode 100644
index 0000000000..fc96a3d98d
--- /dev/null
+++ b/03-task-manager/middleware/notFound.js
@@ -0,0 +1,3 @@
+const notFound = (req,res) => res.status(404).send("Route does not exist")
+
+module.exports = notFound 
diff --git a/03-task-manager/starter/app.js b/03-task-manager/starter/app.js
index ead4ded2ef..f072f34294 100644
--- a/03-task-manager/starter/app.js
+++ b/03-task-manager/starter/app.js
@@ -1 +1,42 @@
-console.log('Task Manager App')
+const express = require('express')
+const app = express();
+const tasks = require('./routes/tasks')
+const connectDB = require('./db/connect')
+require('dotenv').config()
+const notFound = require("../middleware/notFound")
+const errorhandler = require("../middleware/errorhandler")
+//middleware 
+app.use(express.static('./public'))
+app.use(express.json())
+
+app.use('/api/v1/tasks',tasks)
+app.use(notFound)
+app.use(errorhandler)
+//routes
+
+app.get('/api/v1/tasks',(req,res)=>{
+
+})
+app.post('api/v1/tasks',(req,res)=>{
+
+})
+app.get('/api/v1/tasks/:id',(req,res)=>{
+
+})
+app.patch('/api/v1/tasks/:id',(req,res)=>{
+
+})
+app.delete('/api/v1/tasks:id',(req,res)=>{
+
+})
+const port = 3000
+const start = async () => {
+    try{
+        await connectDB(process.env.MONGO_URI)
+        app.listen(port,console.log(`server is listening on ${port}..`))
+
+    }catch(error){
+            console.log(error)
+    }
+}
+start()
\ No newline at end of file
diff --git a/03-task-manager/starter/controllers/tasks.js b/03-task-manager/starter/controllers/tasks.js
new file mode 100644
index 0000000000..d1ddcf690e
--- /dev/null
+++ b/03-task-manager/starter/controllers/tasks.js
@@ -0,0 +1,66 @@
+const Task = require('../models/task')
+const asyncWrapper = require('../../middleware')
+const{createCustomError} = require('../../errors/custom-error')
+const getAllTasks = asyncWrapper(async (req, res) => {
+  const tasks = await Task.find({})
+  res.status(200).json({ tasks })
+})
+
+const createTask = asyncWrapper(async (req, res) => {
+  const task = await Task.create(req.body)
+  res.status(201).json({ task })
+})
+
+
+const getTask = asyncWrapper(async (req, res) => {
+  const { id: taskID } = req.params
+
+  const task = await Task.findOne({ _id: taskID }) // fixed _ud -> _id
+  if (!task) {
+   return next(createCustomError({msg: `No task with id: ${taskID}`}))
+    
+  }
+
+  res.status(200).json({ task })
+})
+
+
+const updateTask = asyncWrapper(async (req, res) => {
+  const { id: taskID } = req.params
+
+  const task = await Task.findOneAndUpdate(
+    { _id: taskID },
+    req.body,
+    {
+      new: true,
+      runValidators: true,
+      overwrite: true,
+    }
+  )
+
+  if (!task) {
+     return next(createCustomError({msg: `No task with id: ${taskID}`}))
+  }
+
+  res.status(200).json({ task })
+})
+
+
+const deleteTask = asyncWrapper(async (req, res) => {
+  const { id: taskID } = req.params
+
+  const task = await Task.findOneAndDelete({ _id: taskID })
+  if (!task) {
+     return next(createCustomError({msg: `No task with id: ${taskID}`}))
+  }
+
+  res.status(200).json({ task })
+})
+
+module.exports = {
+  getAllTasks,
+  createTask,
+  getTask,
+  updateTask,
+  deleteTask,
+}
diff --git a/03-task-manager/starter/db/connect.js b/03-task-manager/starter/db/connect.js
new file mode 100644
index 0000000000..ac3261350f
--- /dev/null
+++ b/03-task-manager/starter/db/connect.js
@@ -0,0 +1,13 @@
+const mongoose = require('mongoose')
+
+const connectDB = (url) => {
+return mongoose.connect(url
+    ,{
+        useNewUrlParser:true,
+        useCreateIndex:true,
+        useFindAndModify:false,
+        useUnifiedTopology:true,
+    }
+)
+}
+module.exports = connectDB
\ No newline at end of file
diff --git a/03-task-manager/starter/models/task.js b/03-task-manager/starter/models/task.js
new file mode 100644
index 0000000000..346d02a4a5
--- /dev/null
+++ b/03-task-manager/starter/models/task.js
@@ -0,0 +1,17 @@
+const mongoose = require('mongoose')
+
+const TaskSchema = new mongoose.Schema({
+    name:{
+        type:String, 
+        required:[true, "Must provide a name"],
+        trim:true,
+        maxlength:[20,"Name cannot be more then 20 characters"]
+    },
+    completed:{
+        type:Boolean,
+        default:false,
+    }
+})
+
+
+module.exports = mongoose.model('Task',TaskSchema)
\ No newline at end of file
diff --git a/03-task-manager/starter/package-lock.json b/03-task-manager/starter/package-lock.json
new file mode 100644
index 0000000000..4ef4b2b2ab
--- /dev/null
+++ b/03-task-manager/starter/package-lock.json
@@ -0,0 +1,1549 @@
+{
+  "name": "jobs",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "jobs",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "dotenv": "^8.2.0",
+        "express": "^4.17.1",
+        "mongoose": "^5.11.10"
+      },
+      "devDependencies": {
+        "nodemon": "^2.0.7"
+      }
+    },
+    "node_modules/@types/bson": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.5.tgz",
+      "integrity": "sha512-vVLwMUqhYJSQ/WKcE60eFqcyuWse5fGH+NMAXHuKrUAPoryq3ATxk5o4bgYNtg5aOM4APVg7Hnb3ASqUYG0PKg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/mongodb": {
+      "version": "3.6.20",
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+      "license": "ISC",
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+        "nodetouch": "bin/nodetouch.js"
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+      "license": "MIT"
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+      "license": "MIT",
+      "engines": {
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+      }
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+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
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+      "license": "MIT"
+    },
+    "node_modules/utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    }
+  }
+}
diff --git a/03-task-manager/starter/routes/tasks.js b/03-task-manager/starter/routes/tasks.js
new file mode 100644
index 0000000000..41a778be54
--- /dev/null
+++ b/03-task-manager/starter/routes/tasks.js
@@ -0,0 +1,7 @@
+const express = require('express')
+const router = express.Router()
+const {getAllTasks,createtask,getTask,UpdateTask,deleteTask,editTask} = require('../controllers/tasks')
+router.route('/').get(getAllTasks).post(createtask)
+router.route('/:id').get(getTask).patch(UpdateTask).delete(deleteTask)
+
+module.exports = router
\ No newline at end of file
diff --git a/04-store-api/starter/app.js b/04-store-api/starter/app.js
index a8f48255db..2e6ed27973 100644
--- a/04-store-api/starter/app.js
+++ b/04-store-api/starter/app.js
@@ -1 +1,36 @@
-console.log('04 Store API')
+require('dotenv').config()
+//async 
+require('express-async-errors')
+const express = require('express')
+
+const app = express();
+const connectDB = require('./db/connect')
+const notFoundMiddleWare = require('./middleware/not-found')
+const errorHandlerMiddleware = require('./middleware/error-handler');
+
+const ProductsRouter = require("./routes/products")
+//middleware 
+app.use(express.json())
+
+
+//routes 
+
+app.get('/',(req,res) =>{
+
+    res.send('<h1>Store APi </h1><a href = "/api/v1/products">Products route</>')
+})
+app.use('/api/v1/products',ProductsRouter)
+//products route 
+app.use(notFoundMiddleWare)
+app.use(errorHandlerMiddleware)
+
+const Port = process.env.PORT || 8000
+const start = async () => {
+    try {
+        await connectDB(process.env.MONGO_URI)
+        app.listen(Port,console.log(`Server is listening to the Port ${Port}`))
+    } catch (error) {
+        console.log(error)
+    }
+}
+start()
\ No newline at end of file
diff --git a/04-store-api/starter/controllers/products.js b/04-store-api/starter/controllers/products.js
index e69de29bb2..835054494a 100644
--- a/04-store-api/starter/controllers/products.js
+++ b/04-store-api/starter/controllers/products.js
@@ -0,0 +1,80 @@
+const Product = require('../models/product')
+
+const getAllProductsStatic = async (req, res) => {
+  const products = await Product.find({pric:{$gt:30}}).sort('name').select('name price')
+
+  res.status(200).json({
+    products,
+    nbHits: products.length,
+  })
+}
+
+const getallProducts = async (req, res) => {
+  const { featured, company, name, sort,fields,numericFilters } = req.query
+
+  const queryObject = {}
+
+  if (featured) {
+    queryObject.featured = featured === 'true'
+  }
+
+  if (company) {
+    queryObject.company = company
+  }
+
+  if (name) {
+    queryObject.name = { $regex: name, $options: 'i' }
+  }
+if(numericFilters){
+    const operatorMap = {
+        '>':'$gt',
+        '>=':'$gte',
+        '=':'$eq',
+        '<':'$lt',
+        '<=':'$lte',
+
+    }
+    const regEx = /\b(<|>|>=|=|<=|)\b/g
+    let filters = numericFilters.replace(regEx,(match)=>`-${operatorMap[match]}-`)
+    const options = ['price','rating']
+    filters = filters.split(',').forEach((item)=>{
+        const [field,operator,value] = item.split('-')
+        if(options.includes(field)){
+            queryObject[field] = {[operator]:Number(value)}
+        }
+    })
+    console.log(numericFilters)
+}
+  let result = Product.find(queryObject)
+
+  if (sort) {
+    const sortList = sort.split(',').join(' ')
+    result = result.sort(sortList)
+  }else{
+    result = result.sort('createAt')
+  }
+  if(fields){
+    const fieldsList = sort.split(',').join(' ')
+    result = result.select(fieldsList)
+  }
+  const page = Number(req.query.page) || 1
+  const limit = Number(req.query.limit) || 10 
+  const skip = (page - 1)*limit;
+
+
+  result = result.skip(skip).limit(limit)
+
+
+ 
+  const products = await result
+
+  res.status(200).json({
+    products,
+    nbHits: products.length,
+  })
+}
+
+module.exports = {
+  getAllProductsStatic,
+  getallProducts,
+}
diff --git a/04-store-api/starter/db/connect.js b/04-store-api/starter/db/connect.js
index 3a3beeb7f5..03e8440fc5 100644
--- a/04-store-api/starter/db/connect.js
+++ b/04-store-api/starter/db/connect.js
@@ -1,12 +1,7 @@
 const mongoose = require('mongoose')
 
 const connectDB = (url) => {
-  return mongoose.connect(url, {
-    useNewUrlParser: true,
-    useCreateIndex: true,
-    useFindAndModify: false,
-    useUnifiedTopology: true,
-  })
+  return mongoose.connect(url)
 }
 
 module.exports = connectDB
diff --git a/04-store-api/starter/models/product.js b/04-store-api/starter/models/product.js
index e69de29bb2..c08c2e56ba 100644
--- a/04-store-api/starter/models/product.js
+++ b/04-store-api/starter/models/product.js
@@ -0,0 +1,33 @@
+const mongoose = require('mongoose')
+
+const ProductSchema = new mongoose.Schema({
+  name: {
+    type: String,
+    required: [true, 'product name must be provided'],
+  },
+  price: {
+    type: Number,
+    required: [true, 'product price must be provided'],
+  },
+  featured: {
+    type: Boolean,
+    default: false,
+  },
+  rating: {
+    type: Number,
+    default: 4.5,
+  },
+  createdAt: {
+    type: Date,
+    default: Date.now(),
+  },
+  company: {
+    type: String,
+    enum: {
+      values: ['ikea', 'liddy', 'caressa', 'marcos'],
+      message: '{VALUE} is not supported',
+    },
+  },
+})
+
+module.exports = mongoose.model('Product', ProductSchema)
diff --git a/04-store-api/starter/package-lock.json b/04-store-api/starter/package-lock.json
new file mode 100644
index 0000000000..9ba37e8378
--- /dev/null
+++ b/04-store-api/starter/package-lock.json
@@ -0,0 +1,1559 @@
+{
+  "name": "jobs",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "jobs",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "dotenv": "^8.2.0",
+        "express": "^4.17.1",
+        "express-async-errors": "^3.1.1",
+        "mongoose": "^5.11.10"
+      },
+      "devDependencies": {
+        "nodemon": "^2.0.7"
+      }
+    },
+    "node_modules/@types/bson": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.5.tgz",
+      "integrity": "sha512-vVLwMUqhYJSQ/WKcE60eFqcyuWse5fGH+NMAXHuKrUAPoryq3ATxk5o4bgYNtg5aOM4APVg7Hnb3ASqUYG0PKg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/mongodb": {
+      "version": "3.6.20",
+      "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.20.tgz",
+      "integrity": "sha512-WcdpPJCakFzcWWD9juKoZbRtQxKIMYF/JIAM4JrNHrMcnJL6/a2NWjXxW7fo9hxboxxkg+icff8d7+WIEvKgYQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/bson": "*",
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "25.0.9",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.0.9.tgz",
+      "integrity": "sha512-/rpCXHlCWeqClNBwUhDcusJxXYDjZTyE8v5oTO7WbL8eij2nKhUeU89/6xgjU7N4/Vh3He0BtyhJdQbDyhiXAw==",
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~7.16.0"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
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+    },
+    "node_modules/anymatch": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz",
+      "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
+      "license": "MIT"
+    },
+    "node_modules/balanced-match": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/binary-extensions": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.3.0.tgz",
+      "integrity": "sha512-Ceh+7ox5qe7LJuLHoY0feh3pHuUDHAcRUeyL2VYghZwfpkNIy/+8Ocg0a3UuSoYzavmylwuLWQOf3hl0jjMMIw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
+      }
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+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "license": "MIT",
+      "dependencies": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
+    "node_modules/string_decoder/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "license": "MIT"
+    },
+    "node_modules/supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "has-flag": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "is-number": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=8.0"
+      }
+    },
+    "node_modules/toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/touch": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.1.tgz",
+      "integrity": "sha512-r0eojU4bI8MnHr8c5bNo7lJDdI2qXlWWJk6a9EAFG7vbhTjElYhBVS3/miuE0uOuoLdb8Mc/rVfsmm6eo5o9GA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "nodetouch": "bin/nodetouch.js"
+      }
+    },
+    "node_modules/type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "license": "MIT",
+      "dependencies": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/undefsafe": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/undici-types": {
+      "version": "7.16.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+      "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+      "license": "MIT"
+    },
+    "node_modules/unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
+      "license": "MIT"
+    },
+    "node_modules/utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    }
+  }
+}
diff --git a/04-store-api/starter/package.json b/04-store-api/starter/package.json
index 2755d90d56..beefd44517 100644
--- a/04-store-api/starter/package.json
+++ b/04-store-api/starter/package.json
@@ -4,7 +4,8 @@
   "description": "",
   "main": "app.js",
   "scripts": {
-    "start": "nodemon app.js"
+    "start": "node app.js",
+    "dev": "nodemon app.js"
   },
   "keywords": [],
   "author": "",
diff --git a/04-store-api/starter/populate.js b/04-store-api/starter/populate.js
index e69de29bb2..90f3fd4d60 100644
--- a/04-store-api/starter/populate.js
+++ b/04-store-api/starter/populate.js
@@ -0,0 +1,20 @@
+require('dotenv').config()
+const connectDB = require('./db/connect.js')
+const Product = require('./models/product')
+
+const jsonProducts = require('./products.json')
+
+const start = async () => {
+    try {
+        await connectDB(process.env.MONGO_URI)
+        await Product.deleteMany();
+        await Product.create(jsonProducts)
+        console.log("SUCCESS!!")
+        process.exit(0)
+    } catch (error) {
+        console.log(error)
+        process.exit(1)
+    }
+}
+
+start()
\ No newline at end of file
diff --git a/04-store-api/starter/routes/products.js b/04-store-api/starter/routes/products.js
index e69de29bb2..84369fd1e1 100644
--- a/04-store-api/starter/routes/products.js
+++ b/04-store-api/starter/routes/products.js
@@ -0,0 +1,8 @@
+const express = require('express')
+const router = express.Router()
+const{getallProducts,getAllProductsStatic } = require('../controllers/products')
+
+router.route('/').get(getallProducts)
+router.route('/static').get(getAllProductsStatic)
+module.exports = router
+
diff --git a/05-JWT-Basics/starter/app.js b/05-JWT-Basics/starter/app.js
index f0af6dccac..e7d3f0571a 100644
--- a/05-JWT-Basics/starter/app.js
+++ b/05-JWT-Basics/starter/app.js
@@ -3,6 +3,7 @@ require('express-async-errors');
 
 const express = require('express');
 const app = express();
+const mainRouter = require('./routes/main')
 
 const notFoundMiddleware = require('./middleware/not-found');
 const errorHandlerMiddleware = require('./middleware/error-handler');
@@ -10,7 +11,7 @@ const errorHandlerMiddleware = require('./middleware/error-handler');
 // middleware
 app.use(express.static('./public'));
 app.use(express.json());
-
+app.use('/api/v1',mainRouter)
 app.use(notFoundMiddleware);
 app.use(errorHandlerMiddleware);
 
diff --git a/05-JWT-Basics/starter/controllers/main.js b/05-JWT-Basics/starter/controllers/main.js
index e69de29bb2..b91ab9be6f 100644
--- a/05-JWT-Basics/starter/controllers/main.js
+++ b/05-JWT-Basics/starter/controllers/main.js
@@ -0,0 +1,42 @@
+require('dotenv').config()
+const {BadRequest} = require('../errors')
+const jwt = require("jsonwebtoken")
+
+const login = async (req, res) => {
+  console.log("BODY:", req.body)
+  console.log("JWT SECRET:", process.env.JWT_SECRET)
+
+  const { username, password } = req.body || {}
+
+  if (!username || !password) {
+    throw new BadRequest('Please provide an email and password')
+  }
+
+  const id = new Date().getTime()
+
+  const token = jwt.sign(
+    { id, username },
+    process.env.JWT_SECRET,
+    { expiresIn: '30d' }
+  )
+
+  res.status(200).json({
+    msg: 'login successful',
+    token
+  })
+}
+
+const dashboard = async (req, res) => {
+    console.log(req.user)
+  const luckyNumber = Math.floor(Math.random() * 100)
+
+  res.status(200).json({
+    msg: `Hello ${req.user.username}`,
+    secret: `Here is your authorized data, your lucky number is ${luckyNumber}`
+  })
+}
+
+module.exports = {
+  login,
+  dashboard
+}
diff --git a/05-JWT-Basics/starter/errors/bad-request.js b/05-JWT-Basics/starter/errors/bad-request.js
new file mode 100644
index 0000000000..7cc30d86c4
--- /dev/null
+++ b/05-JWT-Basics/starter/errors/bad-request.js
@@ -0,0 +1,10 @@
+const CustomAPIError = require("./custom-error")
+const { StatusCodes} = require('http-status-codes')
+class BadRequest extends CustomAPIError {
+  constructor(message) {
+    super(message)
+    this.statusCode = StatusCodes.BAD_REQUEST
+  }
+}
+
+module.exports = BadRequest
diff --git a/05-JWT-Basics/starter/errors/index.js b/05-JWT-Basics/starter/errors/index.js
new file mode 100644
index 0000000000..71fcfef047
--- /dev/null
+++ b/05-JWT-Basics/starter/errors/index.js
@@ -0,0 +1,4 @@
+const CustomAPIError = require('./custom-error')
+const BadAPiError = require('./bad-request')
+const unatuhError = require('./unauthenticator')
+module.exports = {CustomAPIError,BadAPiError,unatuhError}
diff --git a/05-JWT-Basics/starter/errors/unauthenticator.js b/05-JWT-Basics/starter/errors/unauthenticator.js
new file mode 100644
index 0000000000..7db79319bc
--- /dev/null
+++ b/05-JWT-Basics/starter/errors/unauthenticator.js
@@ -0,0 +1,10 @@
+const CustomAPIError = require("./custom-error")
+const { StatusCodes} = require('http-status-codes')
+class UnatuthenticatedError extends CustomAPIError {
+  constructor(message) {
+    super(message)
+    this.statusCode = StatusCodes.UNAUTHORIZED
+  }
+}
+
+module.exports = UnatuthenticatedError
diff --git a/05-JWT-Basics/starter/middleware/auth.js b/05-JWT-Basics/starter/middleware/auth.js
index e69de29bb2..658890e3c1 100644
--- a/05-JWT-Basics/starter/middleware/auth.js
+++ b/05-JWT-Basics/starter/middleware/auth.js
@@ -0,0 +1,24 @@
+const CustomAPiError = require('../errors/custom-error')
+const jwt = require("jsonwebtoken")
+const{UnatuthenticatedError} = require('../errors')
+const { StatusCodes} = require('http-status-codes')
+const authenticationMiddleWare = async(req,res,next)=>{
+   const authHeader = req.headers.authorization
+   
+     if (!authHeader || !authHeader.startsWith('Bearer ')) {
+       throw new UnatuthenticatedError("No token procided")
+     }
+     const token = authHeader.split(' ')[1]
+   try {
+     const decoded = jwt.verify(token, process.env.JWT_SECRET)
+     const{id,username} = decoded
+     req.user = {id,username}
+    next()
+  } catch (error) {
+   throw new UnatuthenticatedError('Not authorized to access this route')
+  }
+     
+    next()
+}
+
+module.exports = authenticationMiddleWare
\ No newline at end of file
diff --git a/05-JWT-Basics/starter/middleware/error-handler.js b/05-JWT-Basics/starter/middleware/error-handler.js
index ac13bda4ad..6fdbb97310 100644
--- a/05-JWT-Basics/starter/middleware/error-handler.js
+++ b/05-JWT-Basics/starter/middleware/error-handler.js
@@ -1,9 +1,10 @@
-const CustomAPIError = require('../errors/custom-error')
+const {CustomAPIError} = require('../errors')
+const{StatusCodes} = require('http-status-codes')
 const errorHandlerMiddleware = (err, req, res, next) => {
   if (err instanceof CustomAPIError) {
     return res.status(err.statusCode).json({ msg: err.message })
   }
-  return res.status(500).send('Something went wrong try again later')
+  return res.status(StatusCodes.INTERNAL_SERVER_ERROR).send('Something went wrong try again later')
 }
 
 module.exports = errorHandlerMiddleware
diff --git a/05-JWT-Basics/starter/package-lock.json b/05-JWT-Basics/starter/package-lock.json
index 40ec15daa2..7a7ffb0ac2 100644
--- a/05-JWT-Basics/starter/package-lock.json
+++ b/05-JWT-Basics/starter/package-lock.json
@@ -12,7 +12,7 @@
         "dotenv": "^8.2.0",
         "express": "^4.17.1",
         "express-async-errors": "^3.1.1",
-        "http-status-codes": "^2.1.4",
+        "http-status-codes": "^2.3.0",
         "jsonwebtoken": "^8.5.1",
         "mongoose": "^5.11.10"
       },
@@ -870,9 +870,10 @@
       }
     },
     "node_modules/http-status-codes": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/http-status-codes/-/http-status-codes-2.1.4.tgz",
-      "integrity": "sha512-MZVIsLKGVOVE1KEnldppe6Ij+vmemMuApDfjhVSLzyYP+td0bREEYyAoIw9yFePoBXManCuBqmiNP5FqJS5Xkg=="
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/http-status-codes/-/http-status-codes-2.3.0.tgz",
+      "integrity": "sha512-RJ8XvFvpPM/Dmc5SV+dC4y5PCeOhT3x1Hq0NU3rjGeg5a/CqlhZ7uudknPwZFz4aeAXDcbAyaeP7GAo9lvngtA==",
+      "license": "MIT"
     },
     "node_modules/iconv-lite": {
       "version": "0.4.24",
@@ -1061,6 +1062,7 @@
       "version": "8.5.1",
       "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz",
       "integrity": "sha512-XjwVfRS6jTMsqYs0EsuJ4LGxXV14zQybNd4L2r0UvbVnSF9Af8x7p5MzbJ90Ioz/9TI41/hTCvznF/loiSzn8w==",
+      "license": "MIT",
       "dependencies": {
         "jws": "^3.2.2",
         "lodash.includes": "^4.3.0",
@@ -2819,9 +2821,9 @@
       }
     },
     "http-status-codes": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/http-status-codes/-/http-status-codes-2.1.4.tgz",
-      "integrity": "sha512-MZVIsLKGVOVE1KEnldppe6Ij+vmemMuApDfjhVSLzyYP+td0bREEYyAoIw9yFePoBXManCuBqmiNP5FqJS5Xkg=="
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/http-status-codes/-/http-status-codes-2.3.0.tgz",
+      "integrity": "sha512-RJ8XvFvpPM/Dmc5SV+dC4y5PCeOhT3x1Hq0NU3rjGeg5a/CqlhZ7uudknPwZFz4aeAXDcbAyaeP7GAo9lvngtA=="
     },
     "iconv-lite": {
       "version": "0.4.24",
diff --git a/05-JWT-Basics/starter/package.json b/05-JWT-Basics/starter/package.json
index baf2712149..acdaaf6a96 100644
--- a/05-JWT-Basics/starter/package.json
+++ b/05-JWT-Basics/starter/package.json
@@ -13,7 +13,7 @@
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "express-async-errors": "^3.1.1",
-    "http-status-codes": "^2.1.4",
+    "http-status-codes": "^2.3.0",
     "jsonwebtoken": "^8.5.1",
     "mongoose": "^5.11.10"
   },
diff --git a/05-JWT-Basics/starter/routes/main.js b/05-JWT-Basics/starter/routes/main.js
index e69de29bb2..fd52c31f5b 100644
--- a/05-JWT-Basics/starter/routes/main.js
+++ b/05-JWT-Basics/starter/routes/main.js
@@ -0,0 +1,9 @@
+const express = require("express")
+
+const router = express.Router()
+const{login,dashboard} = require('../controllers/main')
+const authenticationMiddleWare = require('../middleware/auth')
+router.route('/dashboard').get(authenticationMiddleWare,dashboard)
+router.route('/login').post(login)
+
+module.exports = router
\ No newline at end of file
diff --git a/06-jobs-api/final/models/User.js b/06-jobs-api/final/models/User.js
index 3d289a2ff8..d16ae14476 100644
--- a/06-jobs-api/final/models/User.js
+++ b/06-jobs-api/final/models/User.js
@@ -21,7 +21,6 @@ const UserSchema = new mongoose.Schema({
   password: {
     type: String,
     required: [true, 'Please provide password'],
-    minlength: 6,
   },
 })
 
diff --git a/06-jobs-api/starter/app.js b/06-jobs-api/starter/app.js
index 4d6385152d..e6728335eb 100644
--- a/06-jobs-api/starter/app.js
+++ b/06-jobs-api/starter/app.js
@@ -1,20 +1,43 @@
 require('dotenv').config();
 require('express-async-errors');
+
 const express = require('express');
 const app = express();
 
-// error handler
+const helmet = require('helmet');
+const cors = require('cors');
+const xss = require('xss-clean');
+const rateLimit = require('express-rate-limit');
+
+const authRouter = require('./routes/auth');
+const jobsRouter = require('./routes/jobs');
+
 const notFoundMiddleware = require('./middleware/not-found');
 const errorHandlerMiddleware = require('./middleware/error-handler');
+const authUser = require('./middleware/authentication');
+
+
+const connectDb = require('./db/connect');
+
+app.use(express.static('public'));
 
 app.use(express.json());
-// extra packages
+app.use(cors());
+app.use(helmet());
+app.use(xss());
+app.use(
+  rateLimit({
+    windowMS: 15 * 60 * 1000,
+    max: 100,
+  })
+);
+
+
 
-// routes
-app.get('/', (req, res) => {
-  res.send('jobs api');
-});
+app.use('/api/v1/auth', authRouter);
+app.use('/api/v1/jobs', authUser, jobsRouter);
 
+// error handling
 app.use(notFoundMiddleware);
 app.use(errorHandlerMiddleware);
 
@@ -22,6 +45,7 @@ const port = process.env.PORT || 3000;
 
 const start = async () => {
   try {
+    await connectDb(process.env.MONGO_URI);
     app.listen(port, () =>
       console.log(`Server is listening on port ${port}...`)
     );
diff --git a/06-jobs-api/starter/controllers/auth.js b/06-jobs-api/starter/controllers/auth.js
index e69de29bb2..6686f7d5d5 100644
--- a/06-jobs-api/starter/controllers/auth.js
+++ b/06-jobs-api/starter/controllers/auth.js
@@ -0,0 +1,33 @@
+const User = require('../models/User')
+const { StatusCodes } = require('http-status-codes')
+const { BadRequestError, UnauthenticatedError } = require('../errors')
+
+const register = async (req, res) => {
+  const user = await User.create({ ...req.body })
+  const token = user.createJWT()
+  res.status(StatusCodes.CREATED).json({ user: { name: user.name }, token })
+}
+
+const login = async (req, res) => {
+  const { email, password } = req.body
+
+  if (!email || !password) {
+    throw new BadRequestError('Please provide email and password')
+  }
+  const user = await User.findOne({ email })
+  if (!user) {
+    throw new UnauthenticatedError('Invalid Credentials')
+  }
+  const isPasswordCorrect = await user.comparePassword(password)
+  if (!isPasswordCorrect) {
+    throw new UnauthenticatedError('Invalid Credentials')
+  }
+  // compare password
+  const token = user.createJWT()
+  res.status(StatusCodes.OK).json({ user: { name: user.name }, token })
+}
+
+module.exports = {
+  register,
+  login,
+}
diff --git a/06-jobs-api/starter/controllers/jobs.js b/06-jobs-api/starter/controllers/jobs.js
index e69de29bb2..b1d845a7e8 100644
--- a/06-jobs-api/starter/controllers/jobs.js
+++ b/06-jobs-api/starter/controllers/jobs.js
@@ -0,0 +1,87 @@
+const Job = require('../models/Job')
+const { StatusCodes } = require('http-status-codes')
+const { BadRequestError, NotFoundError } = require('../errors')
+
+// GET all jobs
+const getAllJobs = async (req, res) => {
+  const jobs = await Job.find({ createdBy: req.user.userId }).sort('-createdAt')
+  res.status(StatusCodes.OK).json({ jobs, count: jobs.length })
+}
+
+// GET single job
+const getJob = async (req, res) => {
+  const {
+    user: { userId },
+    params: { id: jobId },
+  } = req
+
+  const job = await Job.findOne({
+    _id: jobId,
+    createdBy: userId,
+  })
+
+  if (!job) {
+    throw new NotFoundError(`No job with id ${jobId}`)
+  }
+
+  res.status(StatusCodes.OK).json({ job })
+}
+
+// CREATE job
+const createJob = async (req, res) => {
+  req.body.createdBy = req.user.userId
+  const job = await Job.create(req.body)
+  res.status(StatusCodes.CREATED).json({ job })
+}
+
+// UPDATE job
+const updateJob = async (req, res) => {
+  const {
+    body: { company, position },
+    user: { userId },
+    params: { id: jobId },
+  } = req
+
+  if (!company || !position) {
+    throw new BadRequestError('Company and position are required')
+  }
+
+  const job = await Job.findOneAndUpdate(
+    { _id: jobId, createdBy: userId },
+    req.body,
+    { new: true, runValidators: true }
+  )
+
+  if (!job) {
+    throw new NotFoundError(`No job with id ${jobId}`)
+  }
+
+  res.status(StatusCodes.OK).json({ job })
+}
+
+// DELETE job
+const deleteJob = async (req, res) => {
+  const {
+    user: { userId },
+    params: { id: jobId },
+  } = req
+
+  const job = await Job.findOneAndDelete({
+    _id: jobId,
+    createdBy: userId,
+  })
+
+  if (!job) {
+    throw new NotFoundError(`No job with id ${jobId}`)
+  }
+
+  res.status(StatusCodes.OK).json({ msg: 'Job deleted successfully' })
+}
+
+module.exports = {
+  getAllJobs,
+  getJob,
+  createJob,
+  updateJob,
+  deleteJob,
+}
diff --git a/06-jobs-api/starter/middleware/authentication.js b/06-jobs-api/starter/middleware/authentication.js
index e69de29bb2..7175e7710c 100644
--- a/06-jobs-api/starter/middleware/authentication.js
+++ b/06-jobs-api/starter/middleware/authentication.js
@@ -0,0 +1,23 @@
+const User = require('../models/User')
+const jwt = require('jsonwebtoken')
+const { UnauthenticatedError } = require('../errors')
+
+const auth = async (req, res, next) => {
+  // check header
+  const authHeader = req.headers.authorization
+  if (!authHeader || !authHeader.startsWith('Bearer')) {
+    throw new UnauthenticatedError('Authentication invalid')
+  }
+  const token = authHeader.split(' ')[1]
+
+  try {
+    const payload = jwt.verify(token, process.env.JWT_SECRET)
+    // attach the user to the job routes
+    req.user = { userId: payload.userId, name: payload.name }
+    next()
+  } catch (error) {
+    throw new UnauthenticatedError('Authentication invalid')
+  }
+}
+
+module.exports = auth
diff --git a/06-jobs-api/starter/middleware/error-handler.js b/06-jobs-api/starter/middleware/error-handler.js
index 89542a3b27..b1b77dbca7 100644
--- a/06-jobs-api/starter/middleware/error-handler.js
+++ b/06-jobs-api/starter/middleware/error-handler.js
@@ -1,9 +1,25 @@
 const { CustomAPIError } = require('../errors')
 const { StatusCodes } = require('http-status-codes')
 const errorHandlerMiddleware = (err, req, res, next) => {
+  let customError = {
+    statusCode:err.StatusCode || StatusCodes.INTERNAL_SERVER_ERROR,
+    msg:err.message || "Something went wrong try again later "
+  }
   if (err instanceof CustomAPIError) {
     return res.status(err.statusCode).json({ msg: err.message })
   }
+  if(err.name == "ValidationError"){
+    customError.msg = Object.values(err.errors).map((item)=>item.message).join(',')
+    customError.statusCode = 400
+  }
+  if(err.name === 'CastError'){
+    customError.msg = `No item found with id: ${err.value}`
+    customError.statusCode = 404
+  }
+  if(err.code && err.code === 11000){
+    customError.msg = `Duplicate value entered for ${Object.keys(err.keyValue)} field, please choose another value`
+    customError.statusCode = 400 
+  }
   return res.status(StatusCodes.INTERNAL_SERVER_ERROR).json({ err })
 }
 
diff --git a/06-jobs-api/starter/models/Job.js b/06-jobs-api/starter/models/Job.js
index e69de29bb2..78e0f38dbf 100644
--- a/06-jobs-api/starter/models/Job.js
+++ b/06-jobs-api/starter/models/Job.js
@@ -0,0 +1,29 @@
+const mongoose = require('mongoose')
+
+const JobSchema = new mongoose.Schema(
+  {
+    company: {
+      type: String,
+      required: [true, 'Please provide company name'],
+      maxlength: 50,
+    },
+    position: {
+      type: String,
+      required: [true, 'Please provide position'],
+      maxlength: 100,
+    },
+    status: {
+      type: String,
+      enum: ['interview', 'declined', 'pending'],
+      default: 'pending',
+    },
+    createdBy: {
+      type: mongoose.Types.ObjectId,
+      ref: 'User',
+      required: [true, 'Please provide user'],
+    },
+  },
+  { timestamps: true }
+)
+
+module.exports = mongoose.model('Job', JobSchema)
diff --git a/06-jobs-api/starter/models/User.js b/06-jobs-api/starter/models/User.js
index e69de29bb2..ad0d68c03b 100644
--- a/06-jobs-api/starter/models/User.js
+++ b/06-jobs-api/starter/models/User.js
@@ -0,0 +1,48 @@
+const mongoose = require('mongoose')
+const bcrypt = require('bcryptjs')
+const jwt = require('jsonwebtoken')
+
+const userSchema = new mongoose.Schema({
+  name: {
+    type: String,
+    required: [true, 'Please provide a name'],
+    maxlength: 50,
+    minlength: 3,
+  },
+  email: {
+    type: String,
+    required: [true, 'Please provide an email'],
+    match: [
+      /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/,
+      'Please provide a valid email',
+    ],
+    unique: true,
+    lowercase: true,
+    trim: true,
+  },
+  password: {
+    type: String,
+    required: [true, 'Please provide a password'],
+    minlength: 6,
+  },
+})
+
+userSchema.methods.createJWT = function () {
+  return jwt.sign(
+    { userId: this._id, name: this.name },
+    process.env.JWT_SECRET,
+    { expiresIn: process.env.JWT_LIFETIME }
+  )
+}
+
+userSchema.pre('save', async function () {
+  if (!this.isModified('password')) return
+  const salt = await bcrypt.genSalt(10)
+  this.password = await bcrypt.hash(this.password, salt)
+})
+userSchema.methods.comparePassword = async function (candidatePassword){
+    const isMatch = await bcrypt.compare(candidatePassword,this.password)
+    return isMatch
+}
+
+module.exports = mongoose.model('User', userSchema)
diff --git a/06-jobs-api/starter/public/addEdit.js b/06-jobs-api/starter/public/addEdit.js
new file mode 100644
index 0000000000..b001f71f39
--- /dev/null
+++ b/06-jobs-api/starter/public/addEdit.js
@@ -0,0 +1,76 @@
+import {
+  enableInput,
+  inputEnabled,
+  message,
+  setDiv,
+  token,
+} from "./index.js";
+
+import { showJobs } from "./jobs.js";
+
+let addEditDiv, company, position, status, addingJob;
+
+export const handleAddEdit = () => {
+  addEditDiv = document.getElementById("edit-job");
+  company = document.getElementById("company");
+  position = document.getElementById("position");
+  status = document.getElementById("status");
+  addingJob = document.getElementById("adding-job");
+
+  const editCancel = document.getElementById("edit-cancel");
+
+  addEditDiv.addEventListener("click", async (e) => {
+    if (!inputEnabled || e.target.nodeName !== "BUTTON") return;
+
+    if (e.target === addingJob) {
+      enableInput(false);
+
+      let method = "POST";
+      let url = "/api/v1/jobs";
+
+      if (addingJob.textContent === "update") {
+        method = "PATCH";
+        url = `/api/v1/jobs/${addEditDiv.dataset.id}`;
+      }
+
+      try {
+        const response = await fetch(url, {
+          method,
+          headers:{
+            "Content-Type":"application/json",
+            Authorization:`Bearer ${token}`,
+          },
+          body: JSON.stringify({
+            company: company.value,
+            position: position.value,
+            status: status.value,
+          }),
+        });
+
+        const data = await response.json();
+
+        if (response.status === 200 || response.status === 201) {
+          message.textContent =
+            response.status === 200
+              ? "Job updated."
+              : "Job created.";
+
+          showJobs();
+        } else {
+          message.textContent = data.msg;
+        }
+
+      } catch (err) {
+        console.error(err);
+      }
+
+      enableInput(true);
+    }
+
+    if (e.target === editCancel) showJobs();
+  });
+};
+
+export const showAddEdit = () => {
+  setDiv(addEditDiv);
+};
diff --git a/06-jobs-api/starter/public/index.html b/06-jobs-api/starter/public/index.html
new file mode 100644
index 0000000000..39d31d2bd9
--- /dev/null
+++ b/06-jobs-api/starter/public/index.html
@@ -0,0 +1,93 @@
+<!DOCTYPE html>
+
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Jobs List</title>
+  </head>
+
+  <body>
+    <h1>Jobs List</h1>
+    <hr />
+    <p id="message"></p>
+    <hr />
+    <div id="logon-register" style="display:none;">
+      <button type="button" id="logon">logon</button>
+      <button type="button" id="register">register</button>
+    </div>
+    <div id="logon-div" style="display:none;">
+      <form>
+        <div>
+          <label for="email">email:</label>
+          <input type="email" id="email" />
+        </div>
+        <div>
+          <label for="password">password:</label>
+          <input type="password" id="password" />
+        </div>
+        <button type="button" id="logon-button">logon</button>
+        <button type="button" id="logon-cancel">cancel</button>
+      </form>
+    </div>
+    <div id="register-div" style="display:none;">
+      <form>
+        <div>
+          <label for="name">name:</label>
+          <input type="text" id="name" />
+        </div>
+        <div>
+          <label for="email1">email:</label>
+          <input type="email" id="email1" />
+        </div>
+        <div>
+          <label for="password1">password:</label>
+          <input type="password" id="password1" />
+        </div>
+        <div>
+          <label for="password2">verify password:</label>
+          <input type="password" id="password2" />
+        </div>
+        <button type="button" id="register-button">register</button>
+        <button type="button" id="register-cancel">cancel</button>
+      </form>
+    </div>
+    <div id="jobs" style="display:none;">
+      <p id="jobs-message"></p>
+      <table id="jobs-table">
+        <tr id="jobs-table-header">
+          <th>Company</th>
+          <th>Position</th>
+          <th>Status</th>
+          <th colspan="2"></th>
+        </tr>
+      </table>
+      <button type="button" id="add-job">add job</button>
+      <button type="button" id="logoff">log off</button>
+    </div>
+    <div id="edit-job" style="display:none;">
+      <form>
+        <div>
+          <label for="company">company:</label>
+          <input type="text" id="company" />
+        </div>
+        <div>
+          <label for="position">position:</label>
+          <input type="text" id="position" />
+        </div>
+        <div>
+          <label for="status">status:</label>
+          <select id="status">
+            <option value="pending">pending</option>
+            <option value="interview">interview</option>
+            <option value="declined">declined</option>
+          </select>
+        </div>
+        <button type="button" id="adding-job">add</button>
+        <button type="button" id="edit-cancel">cancel</button>
+      </form>
+    </div>
+    <script src="./index.js" type="module"></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/06-jobs-api/starter/public/index.js b/06-jobs-api/starter/public/index.js
new file mode 100644
index 0000000000..1578256407
--- /dev/null
+++ b/06-jobs-api/starter/public/index.js
@@ -0,0 +1,49 @@
+let activeDiv = null;
+
+export const setDiv = (newDiv) => {
+  if (newDiv !== activeDiv) {
+    if (activeDiv) activeDiv.style.display = "none";
+    newDiv.style.display = "block";
+    activeDiv = newDiv;
+  }
+};
+
+export let inputEnabled = true;
+export const enableInput = (state) => {
+  inputEnabled = state;
+};
+
+export let token = null;
+export const setToken = (value) => {
+  token = value;
+  if (value) {
+    localStorage.setItem("token", value);
+  } else {
+    localStorage.removeItem("token");
+  }
+};
+
+export let message = null;
+
+import { showJobs, handleJobs } from "./jobs.js";
+import { showLoginRegister, handleLoginRegister } from "./loginRegister.js";
+import { handleLogin } from "./login.js";
+import { handleAddEdit } from "./addEdit.js";
+import { handleRegister } from "./register.js";
+
+document.addEventListener("DOMContentLoaded", () => {
+  token = localStorage.getItem("token");
+  message = document.getElementById("message");
+
+  handleLoginRegister();
+  handleLogin();
+  handleJobs();
+  handleRegister();
+  handleAddEdit();
+
+  if (token) {
+    showJobs();
+  } else {
+    showLoginRegister();
+  }
+});
diff --git a/06-jobs-api/starter/public/jobs.js b/06-jobs-api/starter/public/jobs.js
new file mode 100644
index 0000000000..ca1fb60005
--- /dev/null
+++ b/06-jobs-api/starter/public/jobs.js
@@ -0,0 +1,81 @@
+import {
+  inputEnabled,
+  setDiv,
+  message,
+  setToken,
+  token,
+  enableInput,
+} from "./index.js";
+
+import { showLoginRegister } from "./loginRegister.js";
+import { showAddEdit } from "./addEdit.js";
+
+let jobsDiv, jobsTable, jobsTableHeader;
+
+export const handleJobs = () => {
+  jobsDiv = document.getElementById("jobs");
+  const logoff = document.getElementById("logoff");
+  const addJob = document.getElementById("add-job");
+
+  jobsTable = document.getElementById("jobs-table");
+  jobsTableHeader = document.getElementById("jobs-table-header");
+
+  jobsDiv.addEventListener("click", (e) => {
+
+    if (!inputEnabled || e.target.nodeName !== "BUTTON") return;
+
+    if (e.target === addJob) showAddEdit(null);
+
+    else if (e.target === logoff) {
+      setToken(null);
+      message.textContent = "You have been logged off.";
+      jobsTable.replaceChildren(jobsTableHeader);
+      showLoginRegister();
+    }
+
+    else if (e.target.classList.contains("editButton")) {
+      showAddEdit(e.target.dataset.id);
+    }
+  });
+};
+
+export const showJobs = async () => {
+  try {
+    enableInput(false);
+
+    const response = await fetch("/api/v1/jobs", {
+      headers: {
+        "Content-Type":"application/json",
+        Authorization:`Bearer ${token}`,
+      },
+    });
+
+    const data = await response.json();
+    let children = [jobsTableHeader];
+
+    if (response.status === 200) {
+      data.jobs.forEach(job => {
+        const row = document.createElement("tr");
+
+        row.innerHTML = `
+          <td>${job.company}</td>
+          <td>${job.position}</td>
+          <td>${job.status}</td>
+          <td><button class="editButton" data-id=${job._id}>edit</button></td>
+          <td><button class="deleteButton" data-id=${job._id}>delete</button></td>
+        `;
+
+        children.push(row);
+      });
+
+      jobsTable.replaceChildren(...children);
+    }
+
+  } catch (err) {
+    console.error(err);
+    message.textContent = "Communication error.";
+  }
+
+  enableInput(true);
+  setDiv(jobsDiv);
+};
diff --git a/06-jobs-api/starter/public/login.js b/06-jobs-api/starter/public/login.js
new file mode 100644
index 0000000000..ae4a68cfaa
--- /dev/null
+++ b/06-jobs-api/starter/public/login.js
@@ -0,0 +1,66 @@
+import {
+  inputEnabled,
+  setDiv,
+  message,
+  enableInput,
+  setToken,
+} from "./index.js";
+import { showLoginRegister } from "./loginRegister.js";
+import { showJobs } from "./jobs.js";
+
+let loginDiv, email, password;
+
+export const handleLogin = () => {
+  loginDiv = document.getElementById("logon-div");
+  email = document.getElementById("email");
+  password = document.getElementById("password");
+
+  const logonButton = document.getElementById("logon-button");
+  const logonCancel = document.getElementById("logon-cancel");
+
+  loginDiv.addEventListener("click", async (e) => {
+    if (inputEnabled && e.target.nodeName === "BUTTON") {
+
+      if (e.target === logonButton) {
+        enableInput(false);
+
+        try {
+          const response = await fetch("/api/v1/auth/login", {
+            method: "POST",
+            headers: {"Content-Type":"application/json"},
+            body: JSON.stringify({
+              email: email.value,
+              password: password.value
+            })
+          });
+
+          const data = await response.json();
+
+          if (response.status === 200) {
+            message.textContent =
+              `Logon successful. Welcome ${data.user.name}`;
+            setToken(data.token);
+            showJobs();
+          } else {
+            message.textContent = data.msg;
+          }
+        } catch (err) {
+          console.error(err);
+          message.textContent = "Communication error.";
+        }
+
+        enableInput(true);
+      }
+
+      if (e.target === logonCancel) {
+        showLoginRegister();
+      }
+    }
+  });
+};
+
+export const showLogin = () => {
+  email.value = "";
+  password.value = "";
+  setDiv(loginDiv);
+};
diff --git a/06-jobs-api/starter/public/loginRegister.js b/06-jobs-api/starter/public/loginRegister.js
new file mode 100644
index 0000000000..eb1652eef1
--- /dev/null
+++ b/06-jobs-api/starter/public/loginRegister.js
@@ -0,0 +1,22 @@
+import { inputEnabled, setDiv } from "./index.js";
+import { showLogin } from "./login.js";
+import { showRegister } from "./register.js";
+
+let loginRegisterDiv = null;
+
+export const handleLoginRegister = () => {
+  loginRegisterDiv = document.getElementById("logon-register");
+  const login = document.getElementById("logon");
+  const register = document.getElementById("register");
+
+  loginRegisterDiv.addEventListener("click", (e) => {
+    if (inputEnabled && e.target.nodeName === "BUTTON") {
+      if (e.target === login) showLogin();
+      else if (e.target === register) showRegister();
+    }
+  });
+};
+
+export const showLoginRegister = () => {
+  setDiv(loginRegisterDiv);
+};
diff --git a/06-jobs-api/starter/public/register.js b/06-jobs-api/starter/public/register.js
new file mode 100644
index 0000000000..ee4cd3c884
--- /dev/null
+++ b/06-jobs-api/starter/public/register.js
@@ -0,0 +1,74 @@
+import {
+  inputEnabled,
+  setDiv,
+  message,
+  enableInput,
+  setToken,
+} from "./index.js";
+
+import { showLoginRegister } from "./loginRegister.js";
+import { showJobs } from "./jobs.js";
+
+let registerDiv, name, email1, password1, password2;
+
+export const handleRegister = () => {
+  registerDiv = document.getElementById("register-div");
+  name = document.getElementById("name");
+  email1 = document.getElementById("email1");
+  password1 = document.getElementById("password1");
+  password2 = document.getElementById("password2");
+
+  const registerButton = document.getElementById("register-button");
+  const registerCancel = document.getElementById("register-cancel");
+
+  registerDiv.addEventListener("click", async (e) => {
+    if (!inputEnabled || e.target.nodeName !== "BUTTON") return;
+
+    if (e.target === registerButton) {
+
+      if (password1.value !== password2.value) {
+        message.textContent = "Passwords do not match.";
+        return;
+      }
+
+      enableInput(false);
+
+      try {
+        const response = await fetch("/api/v1/auth/register", {
+          method: "POST",
+          headers: {"Content-Type":"application/json"},
+          body: JSON.stringify({
+            name: name.value,
+            email: email1.value,
+            password: password1.value,
+          }),
+        });
+
+        const data = await response.json();
+
+        if (response.status === 201) {
+          message.textContent =
+            `Registration successful. Welcome ${data.user.name}`;
+          setToken(data.token);
+          showJobs();
+        } else {
+          message.textContent = data.msg;
+        }
+
+      } catch (err) {
+        console.error(err);
+        message.textContent = "Communication error.";
+      }
+
+      enableInput(true);
+    }
+
+    if (e.target === registerCancel) {
+      showLoginRegister();
+    }
+  });
+};
+
+export const showRegister = () => {
+  setDiv(registerDiv);
+};
diff --git a/06-jobs-api/starter/routes/auth.js b/06-jobs-api/starter/routes/auth.js
index e69de29bb2..96eb01aee1 100644
--- a/06-jobs-api/starter/routes/auth.js
+++ b/06-jobs-api/starter/routes/auth.js
@@ -0,0 +1,8 @@
+const express = require('express')
+const router = express.Router()
+const{login,register} = require('../controllers/auth')
+
+router.post('/register',register)
+router.post('/login',login)
+
+module.exports = router
\ No newline at end of file
diff --git a/06-jobs-api/starter/routes/jobs.js b/06-jobs-api/starter/routes/jobs.js
index e69de29bb2..db33d1882f 100644
--- a/06-jobs-api/starter/routes/jobs.js
+++ b/06-jobs-api/starter/routes/jobs.js
@@ -0,0 +1,22 @@
+const express = require('express')
+const router = express.Router()
+
+const {
+  getAllJobs,
+  getJob,
+  createJob,
+  updateJob,
+  deleteJob,
+} = require('../controllers/jobs')
+
+// routes
+router.route('/')
+  .post(createJob)
+  .get(getAllJobs)
+
+router.route('/:id')
+  .get(getJob)
+  .delete(deleteJob)
+  .patch(updateJob)
+
+module.exports = router
diff --git a/ii-practicum-team-6-front b/ii-practicum-team-6-front
new file mode 160000
index 0000000000..6bd5acbca9
--- /dev/null
+++ b/ii-practicum-team-6-front
@@ -0,0 +1 @@
+Subproject commit 6bd5acbca971b57f94a992ac3c243df071097284