docker run -d --name pgpool \
  -p 5432:5432 \
  -e PGPOOL_BACKEND_NODES=0:postgres:5432 \
  -e PGPOOL_SR_CHECK_USER=postgres \
  docker.io/bitnamilegacy/pgpool:latest

docker run -d --name pgpool \
  --restart unless-stopped \
  -p 5432:5432 \
  -e PGPOOL_BACKEND_NODES=0:pg-primary:5432,1:pg-replica:5432 \
  -e PGPOOL_SR_CHECK_USER=repl \
  -e PGPOOL_POSTGRES_PASSWORD=changeme \
  docker.io/bitnamilegacy/pgpool:4.5.2

apiVersion: apps/v1
kind: Deployment
metadata:
  name: pgpool
spec:
  replicas: 2
  selector:
    matchLabels:
      app: pgpool
  template:
    metadata:
      labels:
        app: pgpool
    spec:
      containers:
        - name: pgpool
          image: docker.io/bitnamilegacy/pgpool:4.5.2
          ports:
            - containerPort: 5432
          envFrom:
            - secretRef:
                name: pgpool-secret
---
apiVersion: v1
kind: Service
metadata:
  name: pgpool
spec:
  selector:
    app: pgpool
  ports:
    - port: 5432
      targetPort: 5432