Migrate to Replit from Heroku, Railway, Vercel, or local development environments. Use when moving an existing app to Replit, migrating databases, or converting Docker/buildpack apps to Replit's Nix-based system. Trigger with phrases like "migrate to replit", "heroku to replit", "move to replit", "replit migration", "railway to replit", "convert to replit".
!cat .replit 2>/dev/null | head -10 || echo 'No .replit found'
!cat Procfile 2>/dev/null || echo 'No Procfile (not Heroku)'
!cat Dockerfile 2>/dev/null | head -10 || echo 'No Dockerfile'
!cat railway.json 2>/dev/null || echo 'No railway.json'
Comprehensive guide for migrating existing applications to Replit from Heroku, Railway, Vercel, Render, or local development. Covers converting configuration files, migrating databases, adapting to Replit's Nix-based environment, and setting up Replit-native features.
| From | Complexity |
|---|
| Duration |
|---|
| Key Changes |
|---|
| Local dev | Low | 1-2 hours | Add .replit + replit.nix |
| Heroku | Medium | 2-4 hours | Procfile to .replit, addons to Replit services |
| Railway | Low-Medium | 1-3 hours | railway.json to .replit |
| Vercel | Low | 1-2 hours | Usually frontend-only, use Static deploy |
| Docker | Medium | 3-6 hours | Dockerfile to replit.nix |
1. Go to replit.com > Create Repl > Import from GitHub
2. Paste your repository URL
3. Replit auto-detects language and creates default config
4. Review and adjust .replit and replit.nix
Procfile to .replit:
# Heroku Procfile