[Unit]
Description=Custodian

Wants=docker.service
After=docker.service

[Service]
Type=oneshot
EnvironmentFile=/etc/environment

ExecStartPre=/bin/sh -c '/usr/bin/docker ps | /bin/grep %p 1> /dev/null && /usr/bin/docker kill %p || true'
ExecStartPre=/bin/sh -c '/usr/bin/docker ps -a | /bin/grep %p 1> /dev/null && /usr/bin/docker rm %p || true'
ExecStartPre=/usr/bin/docker pull {{ custodian_image }}
ExecStart=/usr/bin/docker run --rm \
  --name %p \
  --hostname %p \
  --label traefik.enable=false \
  --volume /var/run/docker.sock:/var/run/docker.sock \
  {{ custodian_image }} \
{% if custodian_dangling_volumes %}
  --dangling-volumes \
{% endif %}
{% for item in custodian_exclude_image %}
  --exclude-image {{ item }} \
{% endfor %}
{% for item in custodian_exclude_container_label %}
  ----exclude-container-label {{ item }} \
{% endfor %}
  --max-container-age {{ custodian_max_container_age }} \
  --max-image-age {{ custodian_max_image_age }}

[Install]
WantedBy=multi-user.target