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....
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Chrome Crash on Startup Due to Corrupt User Profile
If Chrome crashes immediately when you open it, or shows a warning that your profile may be corru...
Fix ERR_NAME_NOT_RESOLVED on Windows 10
Seeing ERR_NAME_NOT_RESOLVED in Chrome on Windows 10 means your browser can'...
VS Code Git Not Detecting Changes in Workspace: Fixes
You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...
Fix 'Python Virtual Environment Activate Command Not Found'
When you try to activate a Python virtual environment with source venv/bin/activate ...
Fix 'Permission Denied' in VS Code Terminal on Linux
You're working in VS Code on Linux, open the integrated terminal, and run a command—only to s...
Issue queue
SitemapTroubleshoot ERR_CONNECTION_RESET from Chrome Extensions
Windows 11 Installation Assistant Stuck at 99% Disk Space
Fix Nginx 502 Bad Gateway in Docker Compose
How to Fix Activate Command Not Found in Python Venv
Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10
Docker Desktop Permission Denied on Startup Fix
Cloudflare 521 Error Due to Server Overload Fix
Node.js Heap Out of Memory: Fix for Large JSON Files
Resolve 'python' Command Not Found After Installing Python 3.10
How to Fix DNS Probe Finished NXDOMAIN with Google DNS
Git Merge Tool Configuration Guide
Fix Node.js Heap Out of Memory Error in PM2
Windows 11 Installation Assistant Stuck at 99% Disk Space
Fix Nginx 502 Bad Gateway in Docker Compose
How to Fix Activate Command Not Found in Python Venv
Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10
Docker Desktop Permission Denied on Startup Fix
Cloudflare 521 Error Due to Server Overload Fix
Node.js Heap Out of Memory: Fix for Large JSON Files
Resolve 'python' Command Not Found After Installing Python 3.10
How to Fix DNS Probe Finished NXDOMAIN with Google DNS
Git Merge Tool Configuration Guide
Fix Node.js Heap Out of Memory Error in PM2