Expose actuator metrics through nginx server (#14)

On enabling prometheus metrics the `/actuator/prometheus` path is redirected to the UI itself because of the nginx rule. This will expose the actuator routes (health,info,prom) to the user

docker/config/nginx.conf

@@ -29,6 +29,17 @@ server {
     proxy_cache_bypass $http_upgrade;
     proxy_redirect off;
   }
+
+  location /actuator {
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-NginX-Proxy true;
+    proxy_pass http://localhost:8080/actuator;
+    proxy_ssl_session_reuse off;
+    proxy_set_header Host $http_host;
+    proxy_cache_bypass $http_upgrade;
+    proxy_redirect off;
+  }
 
   location /swagger-ui {
     proxy_set_header X-Real-IP $remote_addr;
@@ -41,4 +52,4 @@ server {
     proxy_redirect off;
   }
 
-}
+}