04_statefulset.yaml

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: workshop-example
  labels:
    app: workshop-app-example
    name: workshop-app-example
spec:
  serviceName: workshop-example-headless
  replicas: 1
  selector:
    matchLabels:
      name: workshop-app-example
  template:
    metadata:
      annotations:
        workshop: k8s-workshop-episode-2
        date: "2020-05-27"
      labels:
        name: workshop-app-example
        code: $CODE
    spec:
      containers:
        - name: workshop-app-example
          image: "eu.gcr.io/k8s-workshop-2/app:latest"
          imagePullPolicy: IfNotPresent
          ports:
            - name: http
              containerPort: 80
              protocol: TCP
          env:
            - name: CODE
              value: "$CODE"
            - name: WORKSHOP_USERNAME
              value: "k8s-workshop"
          livenessProbe:
            httpGet:
              path: /live
              port: http
          readinessProbe:
            httpGet:
              path: /ready
              port: http
          resources:
            requests:
              cpu: 10m
              memory: 32Mi
            limits:
              cpu: 100m
              memory: 128Mi