github.com/didip/deis@v1.4.1/deisctl/units/deis-database.service (about)

     1  [Unit]
     2  Description=deis-database
     3  
     4  [Service]
     5  EnvironmentFile=/etc/environment
     6  TimeoutStartSec=20m
     7  ExecStartPre=/bin/sh -c "docker inspect deis-database-data >/dev/null 2>&1 || docker run --name deis-database-data -v /var/lib/postgresql ubuntu-debootstrap:14.04 /bin/true"
     8  ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/database` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
     9  ExecStartPre=/bin/sh -c "docker inspect deis-database >/dev/null 2>&1 && docker rm -f deis-database >/dev/null 2>&1 || true"
    10  ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/database` && docker run --name deis-database --volumes-from=deis-database-data -p 5432:5432 -e EXTERNAL_PORT=5432 -e HOST=$COREOS_PRIVATE_IPV4 $IMAGE"
    11  ExecStopPost=-/usr/bin/docker exec deis-database sudo service postgresql stop
    12  ExecStopPost=-/usr/bin/docker rm -f deis-database
    13  Restart=on-failure
    14  RestartSec=5
    15  
    16  [Install]
    17  WantedBy=multi-user.target