db.yml

apiVersion: v1
kind: Service
metadata:
  name: postgres
  labels:
    app: postgres
spec:
  type: ClusterIP
  ports:
    - port: 5432
      targetPort: 5432
  selector:
    app: postgres
---
apiVersion: v1
kind: ConfigMap
metadata:
  labels:
    app: postgres
  name: postgres-config
data:
  POSTGRES_DB: corteza
  POSTGRES_USER: corteza
  POSTGRES_PASSWORD: corteza
---
kind: PersistentVolume
apiVersion: v1
metadata:
  labels:
    type: local
    app: postgres
  name: postgres-pv-volume
spec:
  storageClassName: manual
  capacity:
    storage: 5Gi
  accessModes:
    - ReadWriteMany
  hostPath:
    path: "/mnt/data"
---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: postgres-pv-claim
  labels:
    app: postgres
spec:
  storageClassName: manual
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 5Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:14.5
          imagePullPolicy: "IfNotPresent"
          ports:
            - containerPort: 5432  # Exposes container port
          envFrom:
            - configMapRef:
                name: postgres-config
          volumeMounts:
            - mountPath: /var/lib/postgresql/data
              name: postgredb
      volumes:
        - name: postgredb
          persistentVolumeClaim:
            claimName: postgres-pv-claim