minecraft-server@.service

[Unit]
Description=Minecraft Server: %i

Wants=network-online.target
After=network-online.target

[Service]
User=minecraft_server
Group=minecraft_server

NoNewPrivileges=true
ProtectSystem=strict
PrivateDevices=true
ReadWritePaths=/var/minecraft_server/%i/ /tmp/

Type=forking
ExecStart=/usr/local/bin/minecraft_server_start.sh %i
ExecStop=/usr/local/bin/minecraft_server_stop.sh %i
PIDFile=/var/minecraft_server/%i/server.pid

[Install]
WantedBy=multi-user.target