docker-compose/tests/fixtures/pid-mode/docker-compose.yml

version: "2.2"

services:
  service:
    image: busybox
    command: top
    pid: "service:container"

  container:
    image: busybox
    command: top
    pid: "container:composetest_pid_mode_container"

  host:
    image: busybox
    command: top
    pid: host