apiVersion: v1
kind: Pod
metadata:
  name: web-server-multi-containers
spec:
  volumes:
  - name: nginx-alt-port-config
    configMap:
      name: nginx-port-90-conf
  containers:
  - name: container1
    image: nginx
    ports:
    - containerPort: 80
  - name: container2
    image: nginx
    ports:
    - containerPort: 90
    volumeMounts:
    - name: nginx-alt-port-config
      mountPath: /etc/nginx/conf.d