server {
    listen 80;
    server_name localhost;
    root /usr/share/nginx/html/dashboard;
    index index.html;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml+rss application/json application/javascript;

    # Cache static assets ANTES de SPA routing
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }

    # SPA routing - todo desde la raíz del contenedor
    location / {
        try_files $uri $uri/ /index.html;
    }
}