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check-docker-security

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Checks Docker security for PHP projects. Detects root user, exposed secrets, privileged mode, and missing security configurations.

skills/check-docker-security/SKILL.md

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Aug 16, 2026
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# Docker Security Check

Analyze Docker configurations for PHP projects to detect security vulnerabilities and missing hardening.

## Security Check Patterns

| Check | Risk | Detection |
|-------|------|-----------|
| Running as root | Container escape | No USER instruction |
| Secrets in Dockerfile | Credential leak | ENV/ARG with passwords |
| Privileged mode | Full host access | `privileged: true` |
| No capability dropping | Excessive permissions | Missing `cap_drop` |
| Exposed unnecessary ports | Attack surface | Extra port mappings |
| No read-only rootfs | Filesystem tampering | Missing `read_only` |