argo-bluegreen-demo.yml

apiVersion: argoproj.io/v1alpha1 # Changed from apps/v1
kind: Rollout # Changed from Deployment
# ----- Everything below this comment is the same as a deployment -----
metadata:
  name: example-rollout
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.15.4
        ports:
        - containerPort: 80
  minReadySeconds: 30
  revisionHistoryLimit: 3
  strategy:
  # ----- Everything above this comment are the same as a deployment -----
    canary: # A new field that used to provide configurable options for a Canary strategy
      steps:
      - setWeight: 20
      - pause: {}