pod-3.yaml

apiVersion: v1
kind: Pod
metadata:
  name: pod-3
spec:
  containers:
  - name: one
    image: demo:1
    args:
    - --pod=3
    - --container=container1
    - --listen=:8080
    - --call=http://localhost:8081
    ports:
    - containerPort: 8080
    volumeMounts:
      - name: scratch
        mountPath: /tmp
      - name: config
        mountPath: /etc/app-config
  - name: two
    image: demo:1
    args:
      - --pod=3
      - --container=container2
      - --listen=:8081
      - --call=http://localhost:8080
    ports:
    - containerPort: 8081
    volumeMounts:
      - name: scratch
        mountPath: /tmp
      - name: config
        mountPath: /etc/app-config
  volumes:
  - name: scratch
    emptyDir: {}
  - name: config
    configMap:
      defaultMode: 420
      name: app-config
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: app-config
data:
  file.conf: "Some file content!"