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Migrating from Heroku to Coolify: A Cost-Effective Self-Hosted Alternative (2026)

Step-by-step guide to migrating full-stack apps and databases from expensive Heroku Dynos to Coolify on a $6/month VPS with automated Git deploys and free SSL.

Heroku pioneered effortless Git-push deployments over a decade ago. However, the elimination of free tiers combined with exorbitant pricing for production Dynos ($50 to $250+/month per service) and managed PostgreSQL ($50 to $200+/month) makes Heroku financially punishing for indie hackers and bootstrapped startups.

Coolify has emerged as the premier open-source, self-hosted Heroku/Netlify alternative. It delivers an identical developer experience—automatic Git webhooks, PR previews, one-click databases, and automatic Let's Encrypt SSL—on any $5/month VPS (like Hetzner, DigitalOcean, or Linode).

Cost Comparison: Heroku vs. Coolify on Hetzner

Running 3 web apps, 1 background worker, PostgreSQL 17, and Redis on Heroku costs roughly $175/month. The exact same workloads on a Hetzner CPX21 instance (3 vCPU, 4GB RAM) running Coolify costs just €7.05/month (~$7.60/month)—saving over $2,000 annually.

1. Installing Coolify on Ubuntu 24.04 (One Command)

# Connect to your fresh VPS
ssh root@YOUR_VPS_IP

# Run the official automated Coolify installer
curl -fsSL https://cdn.coollabs.io/coolify/install.sh | bash

Once installation finishes (approx. 2 minutes), navigate to http://YOUR_VPS_IP:8000 in your browser to complete initial admin registration.

2. Step-by-Step App & Database Migration

  1. Provision Managed PostgreSQL: In Coolify, click + Add Resource > PostgreSQL. Coolify provisions an isolated container with persistent volumes and healthchecks.
  2. Dump & Restore Heroku Database: 
    # Dump from Heroku
heroku pg:backups:capture --app my-heroku-app
heroku pg:backups:download --app my-heroku-app

# Restore into Coolify Postgres
pg_restore --verbose --clean --no-acl --no-owner -h YOUR_VPS_IP -U postgres -d production_db latest.dump
  3. Connect GitHub Repository: Authorize your GitHub account in Coolify. Select your repository and branch. Coolify auto-detects Dockerfiles, Nixpacks, or Heroku Procfiles.
  4. Configure Custom Domain & SSL: Enter your domain (e.g. app.yourdomain.com). Coolify's built-in Traefik proxy automatically provisions and renews Let's Encrypt SSL certificates.