petstore.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: petstore
  name: petstore
  namespace: default
spec:
  selector:
    matchLabels:
      app: petstore
  replicas: 2
  template:
    metadata:
      labels:
        app: petstore
    spec:
      containers:
      - image: soloio/petstore-example:latest
        name: petstore
        ports:
        - containerPort: 8080
          name: http
      affinity:
        # Because the cluster uses spot nodes that can be shut down at any time, having at least
        # 2 replicas with antiAffinity is recommended for application resilency when a node shuts down
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: "app"
                operator: In
                values:
                - petstore
            topologyKey: "kubernetes.io/hostname"
---
apiVersion: v1
kind: Service
metadata:
  name: petstore
  namespace: default
  labels:
    service: petstore
spec:
  ports:
  - port: 8080
    protocol: TCP
  selector:
    app: petstore