standby-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: sit727-standby
spec:
  replicas: 1
  selector:
    matchLabels:
      app: sit727-standby
  template:
    metadata:
      labels:
        type: sit727-standby
        app: sit727-standby
    spec:
      containers:
      - image: postgres:10
        imagePullPolicy: IfNotPresent
        name: sit727-standby
        ports:
          - containerPort: 5432
        envFrom:
          - configMapRef:
              name: sit727-config
        volumeMounts:
          - name: sit727-standby-mnt
            mountPath: /var/lib/postgresql/data
            subPath: sit727_standby/data
      volumes:
      - name: sit727-standby-mnt
        persistentVolumeClaim:
          # use nfs for dev and nfs-standby for prod  
          #claimName: nfs
          claimName: nfs-standby
      - name: sit727-standby-config-mnt
        configMap:
          name: sit727-standby-conf-files-config
      initContainers:
      - name: init-sit727-standby
        image: timescale/timescaledb:latest-pg10
        command: ['sh', '-c', 'cp /var/lib/postgresql/data/postgresql.main.conf /var/lib/postgresql/data/postgresql.conf && cp /var/lib/postgresql/data/recovery.main.conf /var/lib/postgresql/data/recovery.conf && chmod 600 /var/lib/postgresql/data/postgresql.conf && chmod 600 /var/lib/postgresql/data/recovery.conf']
        volumeMounts:
        - name: sit727-standby-mnt
          mountPath: /var/lib/postgresql/data
          subPath: sit727_standby/data    
        - name: sit727-standby-config-mnt
          mountPath: /var/lib/postgresql/data/postgresql.main.conf
          subPath: postgresql.conf
        - name: sit727-standby-config-mnt
          mountPath: /var/lib/postgresql/data/recovery.main.conf
          subPath: recovery.conf