server {
    listen 80;
    server_name _;

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

    # Compresion
    gzip on;
    gzip_types text/plain text/css application/json application/javascript
               text/xml application/xml application/xml+rss text/javascript
               image/svg+xml;
    gzip_min_length 1024;

    # Cache larga para los assets con hash en el nombre
    location /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }

    # SPA: cualquier ruta desconocida devuelve index.html
    location / {
        try_files $uri $uri/ /index.html;
    }

    # index.html nunca se cachea, para que los deploys se vean al instante
    location = /index.html {
        add_header Cache-Control "no-store, no-cache, must-revalidate";
    }

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