docker systemd

docker-compose.yml

---
version: '3.6'
x-image: &image_template
  image: "corpusops/debian"
  environment:
  - a=1
  command: >
    sh -c 'if [ "x$DOCKER_SKIP_START" != x ];
    then while true;do echo sleeping;sleep 65535;done
    else exec /app_entry_point;
    fi'
  tmpfs: [/run, /run/lock]
  volumes: &image_volumes
  # systemd
  - "/sys/fs/cgroup:/sys/fs/cgroup:ro"
services:
  myimage:
    <<:  [ *image_template ]