apiVersion: v1
kind: Service
metadata:
  name: {{ listmonk_name }}-db
  namespace: {{ listmonk_namespace }}
  labels:
    app.kubernetes.io/name: listmonk
    app.kubernetes.io/instance: {{ listmonk_name }}
    app.kubernetes.io/component: database
spec:
  clusterIP: None
  selector:
    app.kubernetes.io/instance: {{ listmonk_name }}
    app.kubernetes.io/component: database
  ports:
    - name: postgres
      port: 5432
      targetPort: postgres
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ listmonk_name }}-db
  namespace: {{ listmonk_namespace }}
  labels:
    app.kubernetes.io/name: listmonk
    app.kubernetes.io/instance: {{ listmonk_name }}
    app.kubernetes.io/component: database
spec:
  serviceName: {{ listmonk_name }}-db
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/instance: {{ listmonk_name }}
      app.kubernetes.io/component: database
  template:
    metadata:
      labels:
        app.kubernetes.io/name: listmonk
        app.kubernetes.io/instance: {{ listmonk_name }}
        app.kubernetes.io/component: database
    spec:
      # postgres:*-alpine runs as uid/gid 70. Running unprivileged skips the
      # entrypoint's chown, which NFS with root_squash would refuse.
      securityContext:
        runAsUser: 70
        runAsGroup: 70
        fsGroup: 70
      affinity: {{ listmonk_affinity | to_json }}
      containers:
        - name: postgres
          image: {{ listmonk_postgres_image }}
          imagePullPolicy: {{ listmonk_image_pull_policy }}
          env:
            - name: POSTGRES_USER
              value: listmonk
            - name: POSTGRES_DB
              value: listmonk
            - name: PGDATA
              value: /var/lib/postgresql/data/pgdata
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ listmonk_name }}
                  key: POSTGRES_PASSWORD
          ports:
            - name: postgres
              containerPort: 5432
          readinessProbe:
            exec:
              command: [pg_isready, -U, listmonk, -d, listmonk]
            periodSeconds: 10
          livenessProbe:
            exec:
              command: [pg_isready, -U, listmonk, -d, listmonk]
            initialDelaySeconds: 30
            periodSeconds: 30
          resources: {{ listmonk_postgres_resources | to_json }}
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: [ReadWriteOnce]
        storageClassName: {{ listmonk_storage_class }}
        resources:
          requests:
            storage: {{ listmonk_db_storage_size }}