Docker Compose .env File Not Loading: Common Fixes
You set environment variables in a .env file next to your docker-compose.yml
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Docker Volume Permission Denied for Postgres
When running PostgreSQL in a Docker container with a mounted volume, you may see errors like
Cloudflare Wildcard Subdomain Troubleshooting Checklist
When you set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, subdomain...
Fix Windows Defender Real-Time Protection Not Running
You open Windows Security and see a yellow warning: "Real-time protection is off." Or you...
Fix Docker Compose Port Already Allocated for PostgreSQL
You run docker-compose up and see an error like "Error starting userland pro...
Fix npm install Permission Denied on Linux
When you run npm install on Linux and hit a permission denied error, it usually mean...
Topic paths
Quick titles
Docker Container Exits on Startup: Logs and FixesReduce Chrome Memory Use by Disabling Hardware AccelerationChrome Sync Not Working on Family Link? Here's the FixHow to Trust Self-Signed Certificates on LocalhostUnderstanding and Fixing Git Detached HEAD StateHow to Fix Error 0x80070002 in Windows UpdateFixing pnpm install Exit Code 1 ErrorsHow to Resolve Git Merge Conflicts with Stashed Changes