server {
  listen 8080;
  server_name _;

  root /usr/share/nginx/html;
  index index.html;
  client_max_body_size 1m;
  add_header X-Content-Type-Options "nosniff" always;
  add_header X-Frame-Options "DENY" always;
  add_header Referrer-Policy "no-referrer" always;
  add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;
  add_header Content-Security-Policy "default-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; script-src 'self'; connect-src 'self'; frame-ancestors 'none'; base-uri 'self'; object-src 'none'" always;

  location /api/ {
    proxy_pass http://backend:4000/api/;
    proxy_http_version 1.1;
    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 $scheme;
    proxy_connect_timeout 5s;
    proxy_send_timeout 30s;
    proxy_read_timeout 30s;
    add_header Cache-Control "no-store" always;
  }

  location = /mcp {
    proxy_pass http://backend:4000/mcp;
    proxy_http_version 1.1;
    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 $scheme;
    proxy_set_header Authorization $http_authorization;
    proxy_connect_timeout 5s;
    proxy_send_timeout 120s;
    proxy_read_timeout 120s;
    add_header Cache-Control "no-store" always;
  }

  location /.well-known/ {
    proxy_pass http://backend:4000/.well-known/;
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-Proto $scheme;
    add_header Cache-Control "no-store" always;
  }

  location /oauth/ {
    proxy_pass http://backend:4000/oauth/;
    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 $scheme;
    add_header Cache-Control "no-store" always;
  }

  location ~* \.(?:js|css|png|jpg|jpeg|gif|svg|ico|woff2?)$ {
    try_files $uri =404;
    expires 1y;
    add_header Cache-Control "public, immutable";
  }

  location / {
    try_files $uri $uri/ /index.html;
  }
}