kubernetes-hands-on/16-sidecar-containers/01-sidecar.yml

---
apiVersion: v1
kind: Pod
metadata:
  name: two-containers
spec:
  volumes:
    - name: shared-data
      emptyDir: {}
  containers:
    - name: nginx
      image: nginx
      volumeMounts:
        - name: shared-data
          mountPath: /usr/share/nginx/html
    - name: debian
      image: debian
      volumeMounts:
        - name: shared-data
          mountPath: /pod-data
      command: ["/bin/sh"]
      args: ["-c", "echo Hello from the debian container > /pod-data/index.html"]