- Add structured logging config with JSON/text format support
- Create docker-entrypoint.sh with dependency health checks
- Enhance /health endpoint with DB and Redis connectivity checks
- Add resource limits (CPU/memory) for all services
- Add network aliases for service discovery
- Add container hostnames for better identification
- Reduce health check timeout from 20s to 5s
- Add build metadata labels to Dockerfile
- Use ENTRYPOINT for dependency checking before app startup
- Log rotation: 50m per file, 5 files max
