labels

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx-deployment
  name: nginx-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
        frequency: nightly
        environment: staging
        deployed: devops
        colour: red
        shape: rectangle
    spec:
      containers:
      - image: nginx
        name: nginx
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-service
spec:
  selector:
    app: nginx
    frequency: nightly
    environment: staging
  ports:
  - protocol: TCP
    port: 80
    targetPort: 80