apiVersion: apps/v1
kind: Deployment
metadata:
  name: backend-deployment
  namespace: z2app
spec:
  replicas: 1
  selector:
    matchLabels:
      app: backend
  template:
    metadata:
      labels:
        app: backend
    spec:
      containers:
        - name: backend
          image: python:3.11-slim
          command: ["/bin/sh", "-c"]
          args:
            - pip install flask psycopg2-binary && python /app/app.py
          ports:
            - containerPort: 5000
          env:
            - name: DB_HOST
              value: postgres-service
            - name: DB_PORT
              value: "5432"
            - name: DB_NAME
              value: appdb
            - name: DB_USER
              value: appuser
            - name: DB_PASSWORD
              value: apppass
          volumeMounts:
            - name: backend-code
              mountPath: /app/app.py
              subPath: app.py
      volumes:
        - name: backend-code
          configMap:
            name: backend-code-config
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend-deployment
  namespace: z2app
spec:
  replicas: 1
  selector:
    matchLabels:
      app: frontend
  template:
    metadata:
      labels:
        app: frontend
    spec:
      containers:
        - name: frontend
          image: nginx:alpine
          ports:
            - containerPort: 80
          volumeMounts:
            - name: frontend-html
              mountPath: /usr/share/nginx/html/index.html
              subPath: index.html
            - name: frontend-nginx
              mountPath: /etc/nginx/conf.d/default.conf
              subPath: default.conf
      volumes:
        - name: frontend-html
          configMap:
            name: frontend-html-config
        - name: frontend-nginx
          configMap:
            name: frontend-nginx-config