DEV Community

Alex Spinov
Alex Spinov

Posted on

Coolify Has a Free Self-Hosted PaaS — Deploy Apps, Databases, and Services Like Heroku on Your Own Server

#coolify #devops #selfhosted #free

A friend ran three apps on Heroku at $25/month each. After they killed the free tier, he was paying $75/month for hobby projects. I told him about Coolify.

Now he runs all three apps plus PostgreSQL, Redis, and a monitoring stack on a single $5 VPS. Coolify gives him the same git-push-deploy workflow Heroku had — on hardware he controls.

What You Get Free

Coolify is open-source (Apache 2.0). Self-host on any VPS:

  • Git-push deploys — connect GitHub/GitLab, auto-deploy on push
  • Docker-based — any Dockerized app works out of the box
  • Built-in databases — PostgreSQL, MySQL, MariaDB, MongoDB, Redis one-click setup
  • SSL/TLS — automatic Let's Encrypt certificates
  • Reverse proxy — Traefik or Caddy, auto-configured
  • Multiple servers — manage fleet from one dashboard
  • Backups — scheduled database backups to S3/MinIO
  • Monitoring — built-in metrics and logs
  • Webhooks — trigger deploys from any CI/CD
  • Environment variables — managed per app, per environment
  • Preview deployments — branch-based previews like Vercel

Quick Start 

# One-line install on any Ubuntu/Debian VPS
curl -fsSL https://cdn.coollabs.io/coolify/install.sh | bash

# Open dashboard: http://YOUR_IP:8000
# Create admin account, connect your Git repo, deploy.
Enter fullscreen mode Exit fullscreen mode

That's it. Coolify installs Docker, Traefik, and itself. Dashboard is ready in 2 minutes.

Real Example: Deploy Next.js + PostgreSQL

  1. Connect GitHub repo in Coolify dashboard
  2. Coolify detects Next.js, sets build command automatically
  3. Click "Add Resource" → PostgreSQL → one click
  4. Environment variable DATABASE_URL auto-injected
  5. Push to main → auto-deploy

Same workflow as Railway or Render — but on your $5 VPS with no usage limits.

What You Can Build

1. Production apps — multiple apps on one server with automatic SSL and routing.

2. Database cluster — PostgreSQL + Redis + monitoring. All managed through UI.

3. Self-hosted tools — Gitea, Plausible Analytics, Umami, n8n. One-click from Coolify marketplace.

4. Staging environments — branch-based previews on your own infrastructure.

5. Client projects — host multiple client sites on one server. Each with its own domain and SSL.

Where to Host

  • Hetzner CX22 — €3.79/month, perfect for Coolify + 3-5 small apps
  • Oracle Cloud free tier — 4 ARM cores, 24GB RAM, always free. Runs Coolify beautifully.
  • Any VPS — 1GB+ RAM, Ubuntu 22+. DigitalOcean, Vultr, Linode all work.

Limits to Know

Single server = single point of failure. No automatic failover on free tier. Use backups.

Resource sharing. All apps share one server's CPU/RAM. Monitor usage to avoid OOM.

Learning curve. Easier than Kubernetes, harder than clicking "Deploy" on Vercel. You need basic Linux/Docker knowledge.

Updates. Coolify updates itself, but breaking changes happen. Read changelogs before updating.

The Self-Hosted Heroku

Coolify is the closest thing to "Heroku on your own server." If you're comfortable with SSH and want to stop paying $25/app/month to cloud PaaS providers, this is your answer.

The math is simple: one $5 VPS replaces $75-200/month in PaaS fees. Same developer experience. You own everything.

Need deployment automation? Email spinov001@gmail.com

More free tiers: 45+ Free APIs Every Developer Should Bookmark

Top comments (0)