apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres-statefulset
  labels:
    run: matrix-postgres
spec:
  serviceName: "matrix-postgres"
  replicas: 1
  selector:
    matchLabels:
      run: matrix-postgres
  template:
    metadata:
      labels:
        run: matrix-postgres
    spec:
      containers:
      - name: postgres
        image: postgres:12
        envFrom:
        - configMapRef:
            name: postgres-configuration
        ports:
        - containerPort: 5432
          name: postgresdb
        volumeMounts:
        - name: data
          mountPath: /var/lib/postgresql/data
      volumes:
      - name: data
        persistentVolumeClaim:
          claimName: matrix-postgres