Knowledge base for software setup, errors, and daily tool work.

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

How to Fix Python Requests Connection Timeout Errors

How to Fix Nginx Redirect Loop from HTTP to HTTPS

If you're seeing an infinite redirect loop when trying to force HTTPS in nginx, the browser u...

Nginx Permission Denied After Restart: Fixes That Work

After restarting nginx, you might see errors like connect() to unix:/var/run/php-fpm.sock f...