
Fix Nginx Upstream Connection Refused Timeout Error
When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...
Software troubleshooting desk

When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...

You click Start in Docker Desktop, the whale icon spins, but nothing happens — o...

If your wildcard subdomains (e.g., *.example.com) stop working after you change SSL/TLS settings ...

You start a Docker container and it exits right away. The container logs show no errors, or the e...

You see the error 'DNS probe finished NXDOMAIN' on Chrome or other browsers, yet your int...

You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...