Diagnose infrastructure and application errors faster.

Docker Restart Loop

docker ps shows container restarting repeatedly Container: api-service Status: Restarting (1) 10 seconds ago Logs: Error: Cannot find module '/app/server.js' npm ERR! command failed npm ERR! exit code 1

Nginx 502 Error

502 Bad Gateway nginx/1.24.0 connect() failed (111: Connection refused) while connecting to upstream upstream: "http://127.0.0.1:3000/" systemctl status app: Active: inactive (dead)

GitHub Actions Failure

GitHub Actions deployment failed Run npm ci npm ERR! code ELOCKVERIFY npm ERR! package-lock.json is out of sync with package.json Process completed with exit code 1

AWS ECS Task Failure

AWS ECS task stopped unexpectedly Stopped reason: Essential container in task exited Container logs: Error: listen EADDRINUSE: address already in use 0.0.0.0:3000 Exit code: 1