server {
    listen 80;
    server_name localhost;
    root /usr/share/nginx/html;
    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 application/javascript application/json;

    # Cache static assets
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Main page
    location / {
        try_files $uri $uri/ $uri.html =404;
    }

    # SPA fallback for Astro static output
    location ~ ^/[^.]*$ {
        try_files $uri $uri.html =404;
    }
}