toy/kustomize/app/rollout.yaml

---
apiVersion: argoproj.io/v1alpha1
kind: Rollout
metadata:
  name: toy
spec:
  replicas: 5
  strategy:
    canary:
      steps:
      - setWeight: 20
      - pause: {}
      - setWeight: 40
      - pause: {duration: 10}
      - setWeight: 60
      - pause: {duration: 10}
      - setWeight: 80
      - pause: {duration: 10}
  revisionHistoryLimit: 2
  selector:
    matchLabels:
      app: toy
  template:
    metadata:
      labels:
        app: toy
    spec:
      containers:
        - name: toy
          image: git.kill0.net/ryanc/toy:latest
          imagePullPolicy: Always
          ports:
            - name: web
              containerPort: 4567
          env:
            - name: SESSION_SECRET
              valueFrom:
                secretKeyRef:
                  name: toy-session-secret
                  key: session_secret
                  optional: true
          livenessProbe:
            httpGet:
              path: /livez
              port: 4567
            initialDelaySeconds: 3
            periodSeconds: 3
          readinessProbe:
            httpGet:
              path: /readyz
              port: 4567
            initialDelaySeconds: 5
            periodSeconds: 5