- Test 1: docker-compose.yml is valid YAML
- Test 2: Dockerfile exists and has USER directive
- Test 3: docker-compose.yml has user directive (1000:1000)
- Test 4: Docker image builds successfully
- Test 5: Container runs as non-root (labuser)
- Test 6: docker-compose service verification
GREEN phase check: All infrastructure tests pass
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>