use internal url for prometheus server

main.go

@@ -69,7 +69,7 @@ func main() {
 	)
 
 	client, err := api.NewClient(api.Config{
-		Address: "https://prometheus-api.junv.me",
+		Address: getEnvWithDefault("PROMETHEUS_URL", "http://prometheus-kube-prometheus-prometheus.default.svc.cluster.local:9090"),
 	})
 	if err != nil {
 		sentry.CaptureException(err)

manifest-template.yaml

@@ -44,6 +44,8 @@ spec:
                   fieldPath: metadata.labels['tags.datadoghq.com/version']
             - name: DB_HOST
               value: new-postgres-postgresql.db.svc.cluster.local
+            - name: PROMETHEUS_URL
+              value: http://prometheus-kube-prometheus-prometheus.default.svc.cluster.local:9090
             - name: DB_NAME
               value: badges
             - name: DB_USERNAME