[Unit]
Description=Minecraft Server
After=docker.service
Requires=docker.service

[Service]
Environment="MC_DIR=/mc"
Restart=Always
ExecStart=/usr/bin/docker run -t --name mc -p 25565:25565 --rm -v ${MC_DIR}/spigot:/mc -w /mc openjdk java -Xms1G -Xmx4G -server -jar spigot.jar nogui
ExecStop=/usr/bin/docker container stop mc

[Install]
WantedBy=multi-user.target