Replit Deployment Failed
Quick answer
Most failed deployments come from a missing start command, a build error or a homepage slower than 5 seconds; read the build log first.
Most likely fix: Read the build log
How to fix it
Try these in order — the most common fix is first.
1. Read the build log
- Publishing > failed deployment > three-dot menu > logs
- Logs are kept 7 days
Did this fix it?2. Set start command
- Open .replit and confirm [deployment] run and build commands
Did this fix it?3. Speed up the homepage
- Make '/' respond in under 5 seconds
- Move slow startup work after boot
Did this fix it?4. Restart compute and republish
- Cmd/Ctrl+K > Restart compute
- Publish again
- Paste the log into a new Agent chat if it fails
Did this fix it?
Symptoms
Publish fails or stalls although the app runs in the editor.
Why it happens
- Missing or wrong run/start command in .replit
- Build command exits with code 1
- Homepage health check slower than 5 seconds
- Missing production secrets
This guide also covers
- replit deployment failed
- replit deploy error
- replit build failed exit code 1
Still not working?
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