apiVersion: apps/v1
kind: Deployment
metadata:
  name: weather-api
  namespace: webapp-ns
spec:
  replicas: 1
  selector:
    matchLabels:
      app: weather-api
  template:
    metadata:
      labels:
        app: weather-api
    spec:
      initContainers:
      - name: wait-for-postgres
        image: busybox
        command: ['sh', '-c', 'until nslookup postgres; do echo waiting for db; sleep 2; done']
      containers:
      - name: weather-api
        image: weather-api:latest
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 3000
---
apiVersion: v1
kind: Service
metadata:
  name: weather-api-service
  namespace: webapp-ns
spec:
  selector:
    app: weather-api
  ports:
  - protocol: TCP
    port: 3000
    targetPort: 3000
    nodePort: 31000
  type: NodePort