jellyfin/debian/jellyfin.service

[Unit]
Description = Jellyfin Media Server
After = network-online.target

[Service]
Type = simple
EnvironmentFile = /etc/default/jellyfin
User = jellyfin
Group = jellyfin
WorkingDirectory = /var/lib/jellyfin
ExecStart = /usr/bin/jellyfin ${JELLYFIN_WEB_OPT} ${JELLYFIN_RESTART_OPT} ${JELLYFIN_FFMPEG_OPT} ${JELLYFIN_SERVICE_OPT} ${JELLYFIN_NOWEBAPP_OPT} ${JELLYFIN_ADDITIONAL_OPTS}
Restart = on-failure
TimeoutSec = 15
SuccessExitStatus=0 143

[Install]
WantedBy = multi-user.target