.htaccess

# Enable rewrite engine
RewriteEngine On

# Set the base directory
RewriteBase /

# If the request is not for a file or directory
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

# Rewrite all requests to index.html
RewriteRule ^ index.html [QSA,L]

# Enable CORS
Header set Access-Control-Allow-Origin "*"

# Set security headers
Header set X-Content-Type-Options "nosniff"
Header set X-Frame-Options "SAMEORIGIN"
Header set X-XSS-Protection "1; mode=block"
Header set Referrer-Policy "strict-origin-when-cross-origin"

# Enable compression
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/xml
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/x-javascript
</IfModule>

# Set caching headers
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType image/jpg "access plus 1 year"
    ExpiresByType image/jpeg "access plus 1 year"
    ExpiresByType image/gif "access plus 1 year"
    ExpiresByType image/png "access plus 1 year"
    ExpiresByType image/webp "access plus 1 year"
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
    ExpiresByType text/javascript "access plus 1 month"
    ExpiresByType application/x-javascript "access plus 1 month"
    ExpiresByType text/html "access plus 1 day"
    ExpiresByType application/xhtml+xml "access plus 1 day"
</IfModule>

# Prevent directory listing
Options -Indexes

# Protect .htaccess file
<Files .htaccess>
    Order allow,deny
    Deny from all
</Files>

# Protect sensitive files
<FilesMatch "^(\.env|\.git|\.gitignore|package\.json|package-lock\.json)$">
    Order allow,deny
    Deny from all
</FilesMatch>