hello-k8s.yml

apiVersion: v1
kind: Service
metadata:
  name: hello-k8s
spec:
  type: LoadBalancer
  ports:
    - port: 80
      targetPort: 8080
  selector:
    app: hello-k8s
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello-k8s
  labels:
    app: hello-k8s
    team_id: aws_spot
spec:
  replicas: 3
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 2
      maxSurge: 2
  selector:
    matchLabels:
      app: hello-k8s
  template:
    metadata:
      labels:
        app: hello-k8s
    spec:
      affinity:
        nodeAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 1
            preference:
              matchExpressions:
              - key: lifecycle
                operator: In
                values:
                - Ec2Spot
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: environment
                operator: In
                values:
                - dev
            - matchExpressions:
              - key: project
                operator: In
                values:
                - default
      tolerations:
      - key: "spotInstance"
        operator: "Equal"
        value: "true"
        effect: "PreferNoSchedule"
      containers:
        - name: hello-k8s
          image: CONTAINER_IMAGE
          resources:
            requests:
              memory: "512Mi"
              cpu: "1024m"
            limits:
              memory: "512Mi"
              cpu: "1024m"
          securityContext:
            privileged: false
            readOnlyRootFilesystem: true
            allowPrivilegeEscalation: false
          ports:
            - containerPort: 8080