* Metadata is accessible from internet ( by default ) with location `https://<hostname_of_your_Gluu_Server>/idp/shibboleth`
* SAML cert: You can either grab your Gluu Server's SAML cert from metadata or from inside 'Gluu Server container' ( location: /opt/gluu-server-x.x.x/etc/certs/shibIDP.crt )