nginx.conf

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

    # Handle client-side routing
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Storybook location
    location /storybook {
        alias /usr/share/nginx/html/storybook;
        try_files $uri $uri/ /storybook/index.html;
        
        # Override CSP for Storybook
        add_header Content-Security-Policy "default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob: https:; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; style-src 'self' 'unsafe-inline' https:;" always;
    }

    # Enable gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_proxied expired no-cache no-store private auth;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/javascript
        application/xml+rss
        application/json;

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

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;
    add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://telegram.org;" always;

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