nginx.conf

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

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

    # Gzip compression
    gzip on;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml application/json;
    gzip_disable "MSIE [1-6]\.";

    location / {
        try_files $uri $uri/ /index.html;
        add_header Cache-Control "no-cache, no-store, must-revalidate";
    }

    # Deny access to hidden files
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}