add analytics url env variable to the production (#5612)

Author: ilayda-cp

konf/site.yaml

@@ -100,6 +100,10 @@ extraHosts:
 # Overrides for production
 production:
   replicas: 5
+  env:
+    - name: ANALYTICS_ENDPOINT
+      value: https://marketplace-analytics.canonical.com/k8s-prod-marketplace-analytics-marketplace-analytics/analytics/events
+
   nginxConfigurationSnippet: |
     if ($host = 'docs.snapcraft.io' ) {
       rewrite ^ https://snapcraft.io/docs$request_uri? permanent;