[FEATURE] Docker containerization

[altsang]

Description

Create Docker containers for easy deployment and distribution of the orchestrator with all dependencies.

Technical Requirements

• Multi-stage Docker builds
• Container optimization for size
• Docker Compose for development
• Container registry publishing
• Security scanning and hardening

Acceptance Criteria

• Dockerfile with optimized build process
• Multi-stage builds for production and development
• Docker Compose setup for local development
• Container registry publishing workflow
• Security scanning and vulnerability assessment
• Container documentation and usage guides

Implementation Notes

• Use Alpine Linux for minimal base image
• Implement health checks for containers
• Add volume mounting for data persistence
• Include container orchestration examples

Related Issues

• Part of epic: Phase 6 Epic ([EPIC] Phase 6: Documentation & Release #6)
• Depends on: Complete documentation ([FEATURE] Complete documentation and guides #34)