npm with vouch proxy

[Dialgatrainer02]

Checklist

• Have you pulled and found the error with jc21/nginx-proxy-manager:latest docker image?
  • Yes
• Are you sure you're not using someone else's docker image?
  • Yes
• Have you searched for similar issues (both open and closed)?
  • Yes

Describe the bug

proxy host goes offline when adding

auth_request /validate;
location / {
      proxy_pass http://app1.yourdomain.com:8080;
      #  may need to set
      #    auth_request_set $auth_resp_x_vouch_user $upstream_http_x_vouch_user;
      #  in this bock as per https://github.com/vouch/vouch-proxy/issues/26#issuecomment-425215810
      # set user header (usually an email)
      proxy_set_header X-Vouch-User $auth_resp_x_vouch_user;
    }

Nginx Proxy Manager Version

To Reproduce Steps to reproduce the behavior:

1. setup keycloak vouch proxy and npm
2. Click on create a proxy host for an app that doesnt have oauth

3. add

   auth_request /validate;
   location = /validate {
     # forward the /validate request to Vouch Proxy
     proxy_pass http://192.168.0.201:9090/validate;
   
     # be sure to pass the original host header
     proxy_set_header Host $http_host;
   
     # Vouch Proxy only acts on the request headers
     proxy_pass_request_body off;
     proxy_set_header Content-Length "";
   
     # optionally add X-Vouch-User as returned by Vouch Proxy along with the request
     auth_request_set $auth_resp_x_vouch_user $upstream_http_x_vouch_user;
   
     # these return values are used by the @error401 call
     auth_request_set $auth_resp_jwt $upstream_http_x_vouch_jwt;
     auth_request_set $auth_resp_err $upstream_http_x_vouch_err;
     auth_request_set $auth_resp_failcount $upstream_http_x_vouch_failcount;
   }
   
   # if validate returns `401 not authorized` then forward the request to the error401block
   error_page 401 = @error401;
   
   location @error401 {
       # redirect to Vouch Proxy for login
       return 302 https://vouch.olivia420.duckdns.org/login?url=$scheme://$http_host$request_uri&vouch-failcount=$auth_resp_failcount&X-Vouch-Token=$auth_resp_jwt&error=$auth_resp_err;
   }

   to the advances section and change the proxy pass accordingly

4. proxy host goes offline

Expected behavior

a redirect to vouch proxy with the provided oauth provider

Screenshots

Operating System

using docker compose

Additional context