[TASK] Kubernetes Research & Local Deployment

[PEXEL2002]

Task description and detailed requirements:
Explore the transition from Docker Compose to a production-grade orchestrator.

• Install a local Kubernetes cluster (Minikube or K3s).
• Write a basic deployment.yaml for the FastAPI backend.
• Research how to handle environment variables via K8s Secrets.

Definition of task completion:
The backend application is successfully deployed as a Pod in the local K8s cluster and can be accessed via a Service.