server {
  listen 80;
  server_name _;

  absolute_redirect off;
  port_in_redirect off;

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

  # Configurações para proxy reverso (Traefik)
  real_ip_header X-Forwarded-For;
  set_real_ip_from 0.0.0.0/0;

  # Cabeçalhos de segurança
  add_header X-Frame-Options "SAMEORIGIN" always;
  add_header X-Content-Type-Options "nosniff" always;
  add_header X-XSS-Protection "1; mode=block" always;

  # Logs
  access_log /var/log/nginx/access.log;
  error_log /var/log/nginx/error.log;

  # Cache de assets estáticos
  location ~* \.(?:js|mjs|css|png|jpg|jpeg|gif|svg|ico|woff2?)$ {
    expires 7d;
    add_header Cache-Control "public, max-age=604800, immutable";
    try_files $uri =404;
  }

  # SPA routing - todas as rotas vão para index.html
  location / {
    try_files $uri $uri/ /index.html;
  }

  # Health check endpoint (opcional)
  location /health {
    access_log off;
    return 200 "OK";
    add_header Content-Type text/plain;
  }
}