apiVersion: apps/v1
kind: Deployment
metadata:
  name: two-replicas
  namespace: test
spec:
  replicas: 2
  selector:
    matchLabels:
      app: two-replicas
  template:
    metadata:
      labels:
        app: two-replicas
    spec:
      containers:
        - name: app
          image: example.com/app:v1
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: stopped
  namespace: test
spec:
  replicas: 0
  selector:
    matchLabels:
      app: stopped
  template:
    metadata:
      labels:
        app: stopped
    spec:
      containers:
        - name: app
          image: example.com/app:v1
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: one-replica
  namespace: test
spec:
  replicas: 1
  selector:
    matchLabels:
      app: one-replica
  template:
    metadata:
      labels:
        app: one-replica
    spec:
      containers:
        - name: app
          image: example.com/app:v1
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: default-replicas
  namespace: test
spec:
  selector:
    matchLabels:
      app: default-replicas
  template:
    metadata:
      labels:
        app: default-replicas
    spec:
      containers:
        - name: app
          image: example.com/app:v1