Expose metric exporter

nginx.conf

@@ -8,6 +8,10 @@ events {
 }
 
 http {
+    upstream exporter {
+        server 127.0.0.1:3001;
+    }
+
     upstream read-write {
         server 127.0.0.1:4001;
     }
@@ -67,6 +71,11 @@ http {
 
         listen 80 default_server;
 
+        # Proxy pass Prometheus metric exporter
+        location /metrics {
+            proxy_pass http://exporter;
+        }
+
         # Proxy pass OCSP responder
         location /api/ocsp/ {
             proxy_pass http://ocsp-responder;