How I built an AI Video Clipper with Next.js, N8N, and Python (Microservices Architecture)

Summary

I spent the last 8 months building YouClip, an AI video repurposing SaaS that turns long YouTube videos into viral shorts using AI scoring and face tracking. It handles real users in production. The Architecture The system uses a Microservices approach orchestrated by Docker Compose: Platform: Next.js 16 (Frontend & Auth) N8N: The brain. It manages the workflow logic. YT-Downloader: A Python service to handle downloads. FFmpeg-Builder: FastAPI service for auto-reframing...