Add containerization and Docker support

[jdfalk]

Implement Docker containers for development and deployment consistency.

Tasks:

• Create Dockerfile for development environment
• Add docker-compose for local testing
• Create container-based CI/CD pipeline
• Add container security scanning
• Document container deployment patterns

Goal: Improve development environment consistency and deployment reliability.

[Amandeepsingh25]

Hii @jdfalk ,

Could you please assign me this I will be taking this up making the deployment reliable and consistent.