devops.json

{
  "title": "DevOps / Cloud Engineer",
  "description": "Infrastructure automation, cloud platforms, and reliable deployments.",
  "icon": "☁️",
  "categories": [
    "fundamentals",
    "intermediate",
    "advanced",
    "tools"
  ],
  "nodes": [
    {
      "id": "dev-linux",
      "title": "Linux Fundamentals",
      "icon": "🐧",
      "category": "fundamentals",
      "description": "Command line, file system, permissions, and processes.",
      "resources": [
        {
          "title": "Linux Journey",
          "url": "https://linuxcommand.org/lc3_learning_the_shell.php",
          "type": "docs",
          "free": true
        },
        {
          "title": "OverTheWire Bandit",
          "url": "https://overthewire.org/wargames/bandit/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-networking"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-networking",
      "title": "Networking",
      "icon": "🌐",
      "category": "fundamentals",
      "description": "TCP/IP, DNS, HTTP, and troubleshooting.",
      "resources": [
        {
          "title": "Computer Networking Course",
          "url": "https://www.youtube.com/watch?v=IPvYjXCsTg8",
          "type": "docs",
          "free": true
        },
        {
          "title": "Network Protocols",
          "url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Overview",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-shell"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-shell",
      "title": "Shell Scripting",
      "icon": "📝",
      "category": "fundamentals",
      "description": "Bash scripting, automation, and cron.",
      "resources": [
        {
          "title": "Bash Guide",
          "url": "https://www.gnu.org/software/bash/manual/bash.html",
          "type": "docs",
          "free": true
        },
        {
          "title": "ShellCheck",
          "url": "https://www.shellcheck.net/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-gitops-basics"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-gitops-basics",
      "title": "Git",
      "icon": "📦",
      "category": "fundamentals",
      "description": "Version control, branching strategies, and GitHub.",
      "resources": [
        {
          "title": "Git Docs",
          "url": "https://git-scm.com/doc",
          "type": "docs",
          "free": true
        },
        {
          "title": "GitHub Skills",
          "url": "https://skills.github.com/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-docker"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-docker",
      "title": "Docker",
      "icon": "🐳",
      "category": "fundamentals",
      "description": "Containers, Dockerfile, images, and volumes.",
      "resources": [
        {
          "title": "Docker Docs",
          "url": "https://docs.docker.com/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Docker Tutorial",
          "url": "https://docs.docker.com/get-started/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Docker Crash Course",
          "url": "https://www.youtube.com/watch?v=fqMOX6JJhGo",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-docker-compose"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-docker-compose",
      "title": "Docker Compose",
      "icon": "📋",
      "category": "fundamentals",
      "description": "Multi-container applications with compose.",
      "resources": [
        {
          "title": "Compose Docs",
          "url": "https://docs.docker.com/compose/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Compose Tutorial",
          "url": "https://docs.docker.com/compose/gettingstarted/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-k8s"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-k8s",
      "title": "Kubernetes",
      "icon": "☸️",
      "category": "intermediate",
      "description": "Pods, services, deployments, and scaling.",
      "resources": [
        {
          "title": "K8s Docs",
          "url": "https://kubernetes.io/docs/",
          "type": "docs",
          "free": true
        },
        {
          "title": "K8s Tutorial",
          "url": "https://kubernetes.io/docs/tutorials/",
          "type": "docs",
          "free": true
        },
        {
          "title": "K8s Crash Course",
          "url": "https://www.youtube.com/watch?v=X48VuDVv0do",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-helm"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-helm",
      "title": "Helm",
      "icon": "⚓",
      "category": "intermediate",
      "description": "Kubernetes package management.",
      "resources": [
        {
          "title": "Helm Docs",
          "url": "https://helm.sh/docs/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Helm Hub",
          "url": "https://hub.helm.sh/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-jenkins"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-jenkins",
      "title": "Jenkins",
      "icon": "🔧",
      "category": "intermediate",
      "description": "CI/CD with Jenkins pipelines.",
      "resources": [
        {
          "title": "Jenkins Docs",
          "url": "https://www.jenkins.io/doc/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Jenkins Tutorial",
          "url": "https://www.jenkins.io/doc/tutorials/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-ghactions"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-ghactions",
      "title": "GitHub Actions",
      "icon": "🔄",
      "category": "intermediate",
      "description": "Automated workflows on GitHub.",
      "resources": [
        {
          "title": "GitHub Actions Docs",
          "url": "https://docs.github.com/en/actions",
          "type": "docs",
          "free": true
        },
        {
          "title": "Actions Marketplace",
          "url": "https://github.com/marketplace?type=actions",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-gitlab-ci"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-gitlab-ci",
      "title": "GitLab CI",
      "icon": "🔄",
      "category": "intermediate",
      "description": "CI/CD pipelines with GitLab.",
      "resources": [
        {
          "title": "GitLab CI Docs",
          "url": "https://docs.gitlab.com/ee/ci/",
          "type": "docs",
          "free": true
        },
        {
          "title": "GitLab CI Tutorial",
          "url": "https://docs.gitlab.com/ee/ci/quick_start/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-terraform"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-terraform",
      "title": "Terraform",
      "icon": "🏗️",
      "category": "advanced",
      "description": "Infrastructure as Code with HashiCorp Terraform.",
      "resources": [
        {
          "title": "Terraform Docs",
          "url": "https://developer.hashicorp.com/terraform/docs",
          "type": "docs",
          "free": true
        },
        {
          "title": "Terraform Tutorial",
          "url": "https://developer.hashicorp.com/terraform/tutorials",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-ansible"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-ansible",
      "title": "Ansible",
      "icon": "⚙️",
      "category": "advanced",
      "description": "Configuration management and automation.",
      "resources": [
        {
          "title": "Ansible Docs",
          "url": "https://docs.ansible.com/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Ansible Tutorial",
          "url": "https://docs.ansible.com/ansible/latest/getting_started/index.html",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-aws-core"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-aws-core",
      "title": "AWS Core",
      "icon": "☁️",
      "category": "intermediate",
      "description": "EC2, S3, VPC, IAM, and core services.",
      "resources": [
        {
          "title": "AWS Docs",
          "url": "https://docs.aws.amazon.com/",
          "type": "docs",
          "free": true
        },
        {
          "title": "AWS Free Tier",
          "url": "https://aws.amazon.com/free/",
          "type": "docs",
          "free": true
        },
        {
          "title": "AWS Cloud Practitioner",
          "url": "https://aws.amazon.com/training/learn-about/aws-cloud-practitioner-essentials/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-aws-advanced"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-aws-advanced",
      "title": "AWS Advanced",
      "icon": "🚀",
      "category": "advanced",
      "description": "Lambda, ECS, EKS, RDS, and CloudFormation.",
      "resources": [
        {
          "title": "AWS Lambda",
          "url": "https://docs.aws.amazon.com/lambda/",
          "type": "docs",
          "free": true
        },
        {
          "title": "AWS ECS",
          "url": "https://docs.aws.amazon.com/ecs/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-gcp"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-gcp",
      "title": "Google Cloud Platform",
      "icon": "🌐",
      "category": "advanced",
      "description": "GCP core services and deployment.",
      "resources": [
        {
          "title": "GCP Docs",
          "url": "https://cloud.google.com/docs",
          "type": "docs",
          "free": true
        },
        {
          "title": "GCP Training",
          "url": "https://cloud.google.com/training",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-azure"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-azure",
      "title": "Azure",
      "icon": "🔷",
      "category": "advanced",
      "description": "Microsoft Azure core services.",
      "resources": [
        {
          "title": "Azure Docs",
          "url": "https://learn.microsoft.com/en-us/azure/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Azure Learn",
          "url": "https://learn.microsoft.com/en-us/training/paths/azure-fundamentals/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-prometheus"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-prometheus",
      "title": "Prometheus & Grafana",
      "icon": "📊",
      "category": "tools",
      "description": "Monitoring and alerting stack.",
      "resources": [
        {
          "title": "Prometheus Docs",
          "url": "https://prometheus.io/docs/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Grafana Docs",
          "url": "https://grafana.com/docs/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Prometheus Crash Course",
          "url": "https://www.youtube.com/watch?v=h4Sl21AKiHg",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-elk"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-elk",
      "title": "ELK Stack",
      "icon": "📋",
      "category": "tools",
      "description": "Elasticsearch, Logstash, Kibana for logging.",
      "resources": [
        {
          "title": "ELK Docs",
          "url": "https://www.elastic.co/guide/",
          "type": "docs",
          "free": true
        },
        {
          "title": "ELK Tutorial",
          "url": "https://www.elastic.co/guide/en/observability/current/getting-started.html",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-security-ops"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-security-ops",
      "title": "Security",
      "icon": "🔒",
      "category": "tools",
      "description": "DevSecOps, secrets management, and compliance.",
      "resources": [
        {
          "title": "Vault Docs",
          "url": "https://www.vaultproject.io/docs",
          "type": "docs",
          "free": true
        },
        {
          "title": "OWASP DevSecOps",
          "url": "https://owasp.org/www-project-devsecops-maturity-model/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-incident"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-incident",
      "title": "Incident Response",
      "icon": "🚨",
      "category": "tools",
      "description": "On-call, runbooks, and incident management.",
      "resources": [
        {
          "title": "PagerDuty Incident Response",
          "url": "https://response.pagerduty.com/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Atlassian Incident Mgmt",
          "url": "https://www.atlassian.com/incident-management",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-cost"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-cost",
      "title": "Cost Optimization",
      "icon": "💰",
      "category": "tools",
      "description": "Cloud cost management and right-sizing.",
      "resources": [
        {
          "title": "AWS Cost Explorer",
          "url": "https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/cost-explorer.html",
          "type": "docs",
          "free": true
        },
        {
          "title": "Infracost",
          "url": "https://www.infracost.io/docs/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-istio"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-istio",
      "title": "Service Mesh",
      "icon": "🕸️",
      "category": "advanced",
      "description": "Istio for microservices communication.",
      "resources": [
        {
          "title": "Istio Docs",
          "url": "https://istio.io/latest/docs/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Istio Tutorial",
          "url": "https://istio.io/latest/docs/tasks/traffic-management/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-argocd"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-argocd",
      "title": "GitOps (ArgoCD)",
      "icon": "🔄",
      "category": "advanced",
      "description": "Declarative GitOps deployments.",
      "resources": [
        {
          "title": "ArgoCD Docs",
          "url": "https://argo-cd.readthedocs.io/",
          "type": "docs",
          "free": true
        },
        {
          "title": "ArgoCD Tutorial",
          "url": "https://argo-cd.readthedocs.io/en/stable/getting_started/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-linux-hardening"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-linux-hardening",
      "title": "Linux Hardening",
      "icon": "🛡️",
      "category": "intermediate",
      "description": "Server security, firewalls, and hardening.",
      "resources": [
        {
          "title": "Linux Hardening Guide",
          "url": "https://medium.com/@thezero/linux-harden-security-18-tips-312672b8e7e2",
          "type": "docs",
          "free": true
        },
        {
          "title": "Lynis",
          "url": "https://cisofy.com/lynis/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-nginx"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-nginx",
      "title": "Nginx",
      "icon": "⚡",
      "category": "tools",
      "description": "Reverse proxy, load balancing, and web server.",
      "resources": [
        {
          "title": "Nginx Docs",
          "url": "https://nginx.org/en/docs/",
          "type": "docs",
          "free": true
        },
        {
          "title": "DigitalOcean Nginx",
          "url": "https://www.digitalocean.com/community/tutorials/how-to-install-nginx-on-ubuntu-20-04",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-databases-ops"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-databases-ops",
      "title": "Database Ops",
      "icon": "🗃️",
      "category": "tools",
      "description": "Backup, replication, and managed databases.",
      "resources": [
        {
          "title": "PostgreSQL Backup",
          "url": "https://www.postgresql.org/docs/current/backup.html",
          "type": "docs",
          "free": true
        },
        {
          "title": "MongoDB Ops",
          "url": "https://www.mongodb.com/docs/manual/administration/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [
        "dev-ssh"
      ],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-ssh",
      "title": "SSH & Remote Access",
      "icon": "🔑",
      "category": "fundamentals",
      "description": "SSH keys, tunnels, and secure access.",
      "resources": [
        {
          "title": "SSH Docs",
          "url": "https://www.ssh.com/ssh/",
          "type": "docs",
          "free": true
        },
        {
          "title": "SSH Guide",
          "url": "https://linuxize.com/post/how-to-set-up-ssh-keys-on-ubuntu-20-04/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-bash-advanced",
      "title": "Advanced Bash",
      "icon": "🖥️",
      "category": "fundamentals",
      "description": "Advanced shell scripting and automation.",
      "resources": [
        {
          "title": "Advanced Bash Scripting",
          "url": "https://tldp.org/LDP/abs/html/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Bash Pitfalls",
          "url": "https://mywiki.wooledge.org/BashPitfalls",
          "type": "docs",
          "free": true
        }
      ],
      "children": [],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-process-mgmt",
      "title": "Process Management",
      "icon": "⚙️",
      "category": "fundamentals",
      "description": "Systemd, process signals, and process management.",
      "resources": [
        {
          "title": "Systemd Docs",
          "url": "https://www.freedesktop.org/software/systemd/man/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Linux Processes",
          "url": "https://linuxize.com/post/linux-processes/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-network-troubleshooting",
      "title": "Network Troubleshooting",
      "icon": "🔍",
      "category": "intermediate",
      "description": "tcpdump, nslookup, and network debugging.",
      "resources": [
        {
          "title": "tcpdump Guide",
          "url": "https://www.tcpdump.org/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Network Debugging",
          "url": "https://www.linode.com/docs/guides/linux-networking-commands/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-http-basics",
      "title": "HTTP & HTTPS",
      "icon": "🌐",
      "category": "fundamentals",
      "description": "HTTP methods, status codes, headers, and TLS.",
      "resources": [
        {
          "title": "MDN HTTP",
          "url": "https://developer.mozilla.org/en-US/docs/Web/HTTP",
          "type": "docs",
          "free": true
        },
        {
          "title": "HTTP/3 Explained",
          "url": "https://http3-explained.haxx.se/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-dns",
      "title": "DNS",
      "icon": "🗺️",
      "category": "intermediate",
      "description": "DNS resolution, records, and configuration.",
      "resources": [
        {
          "title": "DNS Guide",
          "url": "https://howdns.works/",
          "type": "docs",
          "free": true
        },
        {
          "title": "Cloudflare DNS",
          "url": "https://www.cloudflare.com/learning/dns/what-is-dns/",
          "type": "docs",
          "free": true
        }
      ],
      "children": [],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-load-balancing",
      "title": "Load Balancing",
      "icon": "⚖️",
      "category": "advanced",
      "description": "HAProxy, Nginx LB, and algorithms.",
      "resources": [
        {
          "title": "Nginx Load Balancing",
          "url": "https://docs.nginx.com/nginx/admin-guide/load-balancer/http-load-balancer/",
          "type": "docs",
          "free": true
        },
        {
          "title": "HAProxy Docs",
          "url": "https://www.haproxy.org/documentation.html",
          "type": "docs",
          "free": true
        }
      ],
      "children": [],
      "difficulty": "Beginner"
    },
    {
      "id": "dev-auto-scaling",
      "title": "Auto Scaling",
      "icon": "📈",
      "category": "advanced",
      "description": "Horizontal/vertical scaling strategies.",
      "resources": [
        {
          "title": "AWS Auto Scaling",
          "url": "https://docs.aws.amazon.com/autoscaling/",
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