creating a POD with two containers

apiVersion:v1
kind: Pod
metadata:
  name: nodehelloworld.example.com

  labels:
    app: helloworld
spec:
  containers:
  - name:devopsschool1 
    image:scmgalaxy/nginx-devopsschoolv1

    ports:
    - name: nginx-port
      containerPort: 80

  - name:devopsschool2
    image: webimp/mysql-56-slim

    ports:
    - name: mysql-port
      containerPort: 3306