Avahi service file for calibre e-book server

calibre.service

<?xml version="1.0" standalone='no'?><!--*-nxml-*-->
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
<!-- See avahi.service(5) for more information about this configuration file -->
<!-- See https://code.google.com/archive/p/openpub/wikis/DeprecatedOPDSSpecification.wiki for OPDS spec -->
 <service-group>
  <name>Calibre</name>
  <service>
    <type>_opds._tcp</type>
    <port>8080</port>
    <host-name>myhostname.local</host-name>
    <txt-record>protocol=http</txt-record>
    <txt-record>path=/opds/</txt-record>
  </service>
</service-group>