Building a Coolify Self-Hosted Deployment Platform on a VPS (2026): Docker, Git Auto-Deploy, Traefik HTTPS, and Backup Pitfalls Guide
This tutorial explains how to self-host Coolify on a VPS and turn an ordinary server into a deployment platform similar to Vercel, Heroku, or Railway. It covers VPS spec selection, the official install script, ports and domains, Traefik automatic HTTPS, Git repository deployment, environment variables, database services, backup and upgrades, security hardening, and common 502, SSL, and build failure issues.





