Replit Database Connection Error
Quick answer
App works in the editor but fails in production because workspace and deployment use separate secrets and databases.
Most likely fix: Check deployment secrets
How to fix it
Try these in order — the most common fix is first.
1. Check deployment secrets
- Publishing > Adjust Settings > Secrets
- Confirm DATABASE_URL points to production
Did this fix it?2. Remove stale dev URL
- Delete any development connection string duplicated there
Did this fix it?3. Republish
- Click Publish after any secret change
- Check logs right after deploy
Did this fix it?4. Migrate legacy DB
- If using the old shared Neon database follow Replit's shared database migration guide
Did this fix it?
Symptoms
Errors like missing DATABASE_URL or connection refused after publishing.
Why it happens
- Secrets not set in deployment
- Stale development URL in deployment secrets
- Legacy shared database not migrated
This guide also covers
- replit database error
- replit database connection failed
- replit database url
Still not working?
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