[Unit]
Description=Seafile
# add mysql.service or postgresql.service depending on your database to the line below
After=network.target mysql.target

[Service]
Type=oneshot
ExecStart=/usr/share/seafile/seafile-server/seafile.sh start
ExecStop=/usr/share/seafile/seafile-server/seafile.sh stop
RemainAfterExit=yes
User=seafile
Group=seafile

[Install]
WantedBy=multi-user.target