kind: PersistentVolume
apiVersion: v1
metadata:
  name: postgres-pv-volume
  labels:
    type: local
    app: postgres
spec:
  storageClassName: manual
  capacity:
    storage: 1Gi
  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: 1Gi

# apiVersion: v1
# kind: ConfigMap
# metadata:
#   name: postgres-config
#   labels:
#     app: postgres
# data:
#   POSTGRES_DB: carrramba_encore_rate
#   POSTGRES_USER: postgres
#   POSTGRES_PASSWORD: password
# ---

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
        service: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:15.3
          # command: [ "sh", "-c"]
          # args: ["while true; do echo 'yo' && sleep 5; done;"]  
          # imagePullPolicy: "IfNotPresent"
          ports:
            - containerPort: 5432
          env:
            - name: POSTGRES_DB
              value: carrramba_encore_rate
            - name: POSTGRES_USER
              value: postgres
            - name: POSTGRES_PASSWORD
              value: password
          # envFrom:
          #   - configMapRef:
          #       name: postgres-config
          volumeMounts:
            - mountPath: /var/lib/postgresql/data
              name: postgredb
            - mountPath: /docker-entrypoint-initdb.d
              name: initdb
      volumes:
        - name: postgredb
          persistentVolumeClaim:
            claimName: postgres-pv-claim
        - name: initdb
          configMap:
            name: postgres-initdb-config

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: postgres-initdb-config
data:
  initdb.sql: |
    CREATE DATABASE carrramba_encore_rate;
    CREATE EXTENSION IF NOT EXISTS pg_trgm;
---
apiVersion: v1
kind: Service
metadata:
  name: postgres
  labels:
    app: postgres
spec:
  type: ClusterIP
  ports:
    - port: 5432
      targetPort: 5432
  selector:
    app: postgres