Configure internal SPARQL endpoint in Wikibase

Added configuration for internal SPARQL endpoint.

Author: physikerwelt

LocalSettings.d/production/WikibaseConfig.php

@@ -1,4 +1,7 @@
 <?php
+// bypass traefik router and use internal sparql endpoint
+// see https://github.com/MaRDI4NFDI/portal-k8s/issues/43
+$wgWBRepoSettings['sparqlEndpoint']='http://wdqs:9999/bigdata/namespace/wdq/sparql';
 
 $wgWBRepoSettings['formatterUrlProperty']='P10';
 
@@ -915,4 +918,4 @@
 	$wgWBQualityConstraintsAsMainValueId = 'Q6486550';                     // Q54828448
 	$wgWBQualityConstraintsAsQualifiersId = 'Q6486551';                    // Q54828449
 	$wgWBQualityConstraintsAsReferencesId = 'Q6486552';                    // Q54828450
-}
+}