Software comparisons, alternatives, and tool decision notes.

Fixing NGINX 502 Bad Gateway in Docker Containers

When running NGINX as a reverse proxy in Docker, a 502 Bad Gateway error usually means NGINX cann...

Docker Compose Environment Variable from Shell Not Working: Fixes

You set an environment variable in your shell, but Docker Compose ignores it. This is a common pi...

Fix Nginx Configuration Test Failure for Upstream Directive

When you run nginx -t and get an error involving the upstream directive...

Git Fatal: Refusing to Merge Unrelated Histories – Workaround

You try to merge two Git branches and get this error:

fatal: refusing to merge unre...