feat(router): use new reuseport option

Author: aledbf

router/image/templates/nginx.conf

@@ -300,7 +300,7 @@ http {
 
     # healthcheck
     server {
-        listen 80 default_server{{ if ne $useProxyProtocol "false" }} proxy_protocol{{ end }};
+        listen 80 default_server reuseport{{ if ne $useProxyProtocol "false" }} proxy_protocol{{ end }};
         location /health-check {
             default_type 'text/plain';
             access_log off;