Keycloak SAML2 metadata feed importer

config

• SAML2_METADATA_URL (e.g. https://eduid.at/md/aconet-registered.xml)
• KEYCLOAK_URL (url to Keycloak instance)
• KEYCLOAK_REALM (Keycloak realm)
• KEYCLOAK_USER (Keycloak user)
• KEYCLOAK_PASSWORD (Keycloak users password)
• DB_TYPE (postresql, mysql or sqlite)
• DB_USER (database user)
• DB_PASSWORD (database password)
• DB_HOST (dbms host)
• DB_PORT (dbms port)
• DB_DATABASE (database )