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

Cloudflare SSL Full Strict Setup Guide

If you enable Cloudflare's SSL/TLS encryption and set it to Full (Strict), y...

Fix Nginx Upstream Connection Refused Behind Cloudflare

If you see upstream connection refused in your Nginx error logs while using Cloudfla...

Fix VS Code Breakpoint Not Hit in Express App

You set a breakpoint in your Express route handler, start debugging, and the breakpoint is never ...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

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....

Fix VS Code Git Authentication Failed: Step-by-Step Guide

You're in the middle of a push or pull in VS Code, and you get a red error: "Authenticati...