apiVersion: apps/v1
kind: Deployment
metadata:
  name: product-manager-backend-deployment
  labels:
    app: product-manager-backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: product-manager-backend
  template:
    metadata:
      labels:
        app: product-manager-backend
    spec:
      initContainers:
        - name: init-cont 
          image: busybox:1.31
          command: ['sh', '-c', 
          'echo -e "Checking for the availability of PostgreSQL Server deployment"; while ! nc -z postgres-db-service 5432; do sleep 1; printf "-"; done; echo -e "  >> PostgreSQL DB Server has started";']
      containers:
        - name: product-manager-backend
          image: product-manager-backend:latest
          imagePullPolicy: IfNotPresent
          command: ['bash']
          args: ['scripts/backend_entrypoint.sh']
          ports:
            - containerPort: 8000
          env:
            - name: POSTGRES_DB
              value: postgres
            - name: POSTGRES_USER
              value: postgres
            - name: POSTGRES_PASSWORD
              value: postgres
            - name: DATABASE_HOST
              value: postgres-db-service