apiVersion: apps/v1
kind: Deployment
metadata:
    name: backend
    labels:
        app: backend
spec:
    replicas: 3
    selector:
        matchLabels:
            app: backend
    template:
        metadata:
            labels:
                app: backend
        spec:
            containers:
                - name: go-kubernetes
                  image: devops787/go-kubernetes
                  ports:
                    - containerPort: 3000