default.conf

server {
  listen 127.0.0.1:8080 default_server;
  listen [::]:8080 default_server;

  root /usr/share/nginx/html;
  index index.html index.htm;

  location / {
    try_files $uri $uri/ /index.html;
    add_header Cross-Origin-Opener-Policy same-origin;
    add_header Cross-Origin-Embedder-Policy require-corp;
    add_header Cross-Origin-Resource-Policy same-origin;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
  }

  error_page 500 502 503 504 /50x.html;
  location = /50x.html {
    root /usr/share/nginx/html;
  }

  location /custom-auth {
    proxy_pass http://localhost:8000;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection 'upgrade';
    proxy_set_header Host $host;
    proxy_cache_bypass $http_upgrade;
  }
}