server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;
    charset utf-8;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

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

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

    location ~* \.(js|css|woff2?|ttf|svg|ico|png|jpg|webp)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    error_page 404 /404.html;
}