vote-deploy.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: vote
  labels:
    role: vote
  annotations:
    kubernetes.io/change-cause: "image updated to v5"
spec:
  minReadySeconds: 20
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 2
      maxUnavailable: 1
  replicas: 1
  selector:
     matchLabels:
       app: python
       role: vote
     matchExpressions:
       - key: version
         operator: Exists
  template:
    metadata:
      name: vote
      labels:
        app: python
        role: vote
        version: v5
    spec:
      containers:
        - name: app
          image: schoolofdevops/vote:v5
          envFrom:
          - configMapRef:
              name: vote
              optional: true
          resources:
            requests:
              memory: "64Mi"
              cpu: "50m"
            limits:
              memory: "128Mi"
              cpu: "250m"
          volumeMounts:
            - name: config
              mountPath: "/app/config"
              readOnly: true
      volumes:
        - name: config
          configMap:
            name: vote
            items:
              - key: "development_config.py"
                path: "development_config.py"
              - key: "production_config.py"
                path: "production_config.py"
            optional: true