[Unit]
Description=Restart calibre after NAS books mount is ready
After=mnt-nas_books.mount
Requires=mnt-nas_books.mount
BindsTo=mnt-nas_books.mount

[Service]
Type=oneshot
ExecStart=/usr/bin/docker restart calibre
RemainAfterExit=yes

[Install]
WantedBy=mnt-nas_books.mount