Which headers would that be?
Here’s what I have:
location / {
proxy_pass http://unix:/var/discourse/shared/standalone/nginx.http.sock;
proxy_set_header Host $http_host;
proxy_http_version 1.1;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
client_max_body_size 20M;
error_page 502 =502 /errorpages/offline.html;
proxy_intercept_errors on;
error_page 500 503 504 /errorpages/50x.html;
}