systemd service : Apple Time Machine in Docker

docker-timemachine.service

[Unit]
Description=Time Machine Service
After=docker.service setup-network-environment.service
Requires=docker.service setup-network-environment.service
RequiresMountsFor=/mnt/YOURDRIVEHERE

[Service]
EnvironmentFile=/etc/network-environment
TimeoutStartSec=0
Restart=always
RestartSec=5

ExecStartPre=-/usr/bin/docker stop TM-YOURNAME
ExecStartPre=-/usr/bin/docker kill TM-YOURNAME
ExecStartPre=-/usr/bin/docker rm TM-YOURNAME
ExecStartPre=-/usr/bin/docker pull odarriba/timemachine

ExecStart=/usr/bin/docker run \
          \
          --publish ${DEFAULT_IPV4}:548:548 \
          --publish ${DEFAULT_IPV4}:636:636 \
          \
          -e AFP_LOGIN=YOURUSERNAME \
          -e AFP_PASSWORD=YOURPASSWORD \
          -e AFP_NAME=TM-YOURMOUNT \
          -e AFP_SIZE_LIMIT=1000000 \
          \
          --hostname TM-YOURHOST \
          \
          --volume /mnt/YOURDRIVEHERE/tm-backups/YOURNAME:/timemachine \
          \
          --name TM-YOURNAME \
          odarriba/timemachine

ExecStop=/usr/bin/docker stop -t 30 TM-YOURNAME

[Install]
WantedBy=multi-user.target