How to Fix Nginx 502 Bad Gateway in Docker
If you're running Nginx as a reverse proxy inside Docker and seeing a 502 Bad Gateway error, ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix npm ENOENT package.json Not Found Due to Wrong Directory
You run npm install or npm start and get an error like ENOENT: no...
Windows Search Indexing Setup: A Practical Guide
If Windows Search is slow or returning no results, the indexing service may not be set up correct...
Cloudflare DNS Not Propagating to All Nameservers: Common Fixes
You changed a DNS record in Cloudflare, but some resolvers still show the old value while others ...
Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...
Fix 'docker network not found' After Prune
If you run docker network prune and later see errors like network not found
Topic paths
Quick titles
Resolve 'node sass build failed permission denied'How to Fix Docker Compose Port Binding IssuesFix Windows 11 Update Stuck at 0% – SoftwareDistribution FolderHow to Stop Windows Search from Using Too Much CPUDocker Nginx 502 Bad Gateway After Restart FixResolving npm run build Errors on macOSFix Slow Windows Search IndexingResolve 0xc0000005 Explorer Crash – Step by Step