lemmy/docker/k8s/db.yml

---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  labels:
    lemmy.service: db
  name: db
spec:
  replicas: 1
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        lemmy.service: db
    spec:
      containers:
      - env:
        - name: POSTGRES_DB
          value: lemmy
        - name: POSTGRES_PASSWORD
          # example: very-good-password
          value: CHANGE_ME
        - name: POSTGRES_USER
          value: lemmy
        image: postgres:12-alpine
        name: db
        volumeMounts:
        - mountPath: /var/lib/postgresql/data
          name: db
      restartPolicy: Always
      volumes:
      - name: db
        persistentVolumeClaim:
          claimName: db
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  labels:
    lemmy.service: db
  name: db
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 20Gi