🎬 YouTube AI Automation Workflow (n8n + Gemini + Flask + AI)

This project automates the full content creation pipeline for YouTube videos using AI.
It integrates OpenRouter for AI text generation, gTTS for voiceovers, and custom Python Flask services for script-to-audio and script-to-subtitles (SRT).
An end-to-end AI automation pipeline for YouTube short-form content All processes are orchestrated using n8n, hosted locally via Docker.

✅ Ideal for faceless YouTube automation, content repurposing, or rapid short-form video generation.

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🧠 What It Does

• ✍️ Generates AI-written video scripts
• 📸 AI-generated images
• 🎞 AI-generated or stock videos
• 🎙 Converts scripts into audio (MP3) using TTS
• 📄 Converts scripts into subtitles (SRT format)
• 🖼 Generates AI images/videos from prompts (via API)
• 🎥 Combines assets for complete YouTube-ready content
• 🧩 Runs using a visual workflow in n8n

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🖼 Workflow Diagram

• Top Area = API setup (AI images, videos)
• Bottom Area = Local services (script, audio, subtitle)
• Left Area = Entry point (video idea → AI flow)

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🧠 Core Features

Module	Description
Write Script	Generates short 50-70 word reels using GPT
Create AI Image	Sends Gemini prompt to generate photo
Create AI Video	Uses HuggingFace ZeroScope to generate clip
TTS	Uses Flask + gTTS to generate .mp3 speech
Subtitles	Flask app converts script to .srt (timed)
Stock Videos	Downloads from Pexels based on prompt

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🐳 How to Run n8n with Docker

Make sure you have Docker installed.

Run n8n locally on port 5678 and mount persistent storage:

docker run -it --rm -p 5678:5678 -v C:\Users\gamin\.n8n:/home/node/.n8n n8nio/n8n       ** add your path

Then run the following in your project root:

docker-compose up --build

🧪 Running Flask Services 📜 1. Script-to-SRT (Subtitles)

cd services/
python script-to-srt.py

🔊 2. Text-to-Speech (Audio)

cd services/
python text-to-speech.py

⚙️ APIs Used

Tool Purpose Endpoint

• 🧠 OpenRouter / Gemini Script & Image Prompt OpenRouter Chat Model
• 🎨 Gemini Flash Image Generation v1beta/models/gemini-2.0-flash-exp-image-generation
• 🎥 HuggingFace ZeroScope Video Creation https://hysts-zeroscope-v2.hf.space/gradio_api/call/run
• 📦 Pexels API Stock Videos https://api.pexels.com/videos/search --