Add Docker deployment support with registry integration

- Update Dockerfile to use pyproject.toml instead of requirements.txt
- Add support for Docker Hub image pulling in compose files
- Add comprehensive deployment documentation with multiple methods
- Create CLAUDE.md with development and architecture guide
- Add .dockerignore for optimized build context
- Update .env.example with Docker configuration variables
- Configure 24-hour monitoring interval by default

Changes:
- Dockerfile: Install from pyproject.toml, use main.py entry point
- docker-compose.yml: Add image option for registry deployment
- docker-compose.prod.yml: Add image option for VPS deployment
- README.md: Add Docker Hub push/pull workflows and examples
- CLAUDE.md: Comprehensive guide for AI assistants and developers
- .dockerignore: Exclude unnecessary files from Docker builds
- .env.example: Add DOCKER_USERNAME and IMAGE_TAG variables

.env.example

@@ -57,3 +57,12 @@ REQUEST_TIMEOUT=30.0
 
 # Maximum retry attempts for failed requests
 MAX_RETRIES=3
+
+# =============================================================================
+# Docker Configuration (for Docker Compose deployments)
+# =============================================================================
+# Your Docker Hub username (used when pulling pre-built images)
+DOCKER_USERNAME=yourusername
+
+# Docker image tag to use (e.g., latest, v1.0.0, dev)
+IMAGE_TAG=latest