postgres.deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres-deployment
  namespace: default
  labels:
    app: postgres
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      restartPolicy: Always
      containers:
      - name: postrgres
        image: postgres:12
        envFrom:
        - secretRef:
            name: postgres-secret
        - configMapRef:
            name: postgres-configmap
        volumeMounts:
        - mountPath: /var/lib/postgresql/data
          name: postgres-volume
        ports:
          - containerPort: 5432
      volumes:
        - name: postgres-volume
          persistentVolumeClaim:
            claimName: postgres-claim
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - epitech-s4qe
            topologyKey: "kubernetes.io/hostname"