keycloak: Admin console never loads

Describe the bug

I’ve just deployed keycloak and set it up behind my reverse proxy. However, the admin console refuses to load, just getting stuck saying “Loading…”.

Version

18.0.0

Expected behavior

The admin console should load fine

Actual behavior

The console remains stuck on “Loading…”.

How to Reproduce?

These may not work for anyone else, but:

1. Deploy keycloak
2. For your nginx config, add the following for location “/”:

    proxy_set_header X-Forwarded-For $proxy_protocol_addr; # To forward the original client's IP address 
    proxy_set_header X-Forwarded-Proto $scheme; # to forward the  original protocol (HTTP or HTTPS)
    proxy_set_header Host $host; # to forward the original host requested by the client
proxy_hide_header X-Content-Type-Options;
add_header X-Content-Type-Options "" always;
# Pass other proxy headers and pass as normal

(I removed the X-Content-Type-Options header due to this bug, and I don’t know if that’s fixed.) 3. Try logging into the admin console.

Anything else?

My full nginx configuration is quite lengthy, but if you guys want me to upload that here I can do that.