server {
    listen 80;
    server_name _;
    root /app;
    index index.html;

    # GZIP Compression
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/xml application/json application/javascript application/rss+xml application/atom+xml image/svg+xml font/woff2;

    # Browser Caching
    location ~* \.(jpg|jpeg|png|gif|webp|svg|ico|cur|gz|svgz|mp4|ogg|ogv|webm|htc)$ {
        expires 1y;
        access_log off;
        add_header Cache-Control "public, max-age=31536000, immutable";
    }

    location ~* \.(css|js)$ {
        expires 1M;
        access_log off;
        add_header Cache-Control "public, max-age=2592000, immutable";
    }

    location ~* \.(woff|woff2|ttf|otf|eot)$ {
        expires 1y;
        access_log off;
        add_header Cache-Control "public, max-age=31536000, immutable";
    }

    # HTML - No cache
    location ~* \.(html|htm)$ {
        expires 1h;
        add_header Cache-Control "public, max-age=3600, must-revalidate";
    }

    error_page 404 /404.html;
    location = /404.html {
        internal;
    }
}