Coolify: The Open-Source Self-Hosted PaaS That Replaces Vercel, Heroku, and Netlify

Deep dive into Coolify — the 63k-star open-source self-hosted PaaS that gives you Vercel/Heroku/Netlify experience on your own servers. Covers architecture, control path vs traffic path, 360+ one-click services, build methods, deployment strategies, networking, and MCP integration for AI agents.