acc-analyze-docker-runtime-errors
Installation
SKILL.md
Docker Runtime Error Analysis
Analyze running PHP containers for runtime failures and provide targeted diagnosis and fixes.
Runtime Error Categories
| Error | Symptom | Root Cause |
|---|---|---|
| 502 Bad Gateway | Nginx returns 502 | PHP-FPM not running or crashed |
| OOM Killed | Container restarts | memory_limit or container limit exceeded |
| Connection refused | Service unreachable | Container not ready or wrong network |
| Permission denied | File operation fails | UID/GID mismatch or read-only fs |
| Segmentation fault | Process crashes | Extension bug or memory corruption |
| Slow requests | Timeouts, 504 errors | PHP-FPM pool exhaustion |