travelapp-affinity.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: travelapp
  labels:
    app: travelapp
spec:
  replicas: 1
  selector:
    matchLabels:
      app: travelapp
  template:
    metadata:
      labels:
        app: travelapp
    spec:
      affinity:
          podAntiAffinity:
            requiredDuringSchedulingIgnoredDuringExecution:
              - labelSelector:
                  matchExpressions:
                    - key: "app"
                      operator: In
                      values:
                      - travelapp
                topologyKey: "kubernetes.io/hostname"
      containers:
      - name: travelapp-container
        image: rvennam/travel-app:latest
        ports:
        - containerPort: 3000