acc-check-docker-user-permissions
Docker User and Permission Check
Analyze Docker configurations for user, ownership, and permission issues in PHP containers.
Permission Check Patterns
| Check | Risk | Detection |
|---|---|---|
| No USER instruction | Root execution | Missing USER in Dockerfile |
| Wrong UID/GID | Permission conflicts | Non-standard user IDs |
| COPY without --chown | Root-owned files | COPY without ownership |
| chmod 777 | World-writable files | Overly permissive mode |
| Volume permission mismatch | Read/write failures | Host vs container UID |
| Read-only FS incompatibility | Runtime crashes | Missing tmpfs for writable dirs |
Detection Patterns
1. USER Instruction Present
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