.htaccess

<IfModule mod_rewrite.c>
    Options +FollowSymlinks
    RewriteEngine On
</IfModule>

<IfModule mod_rewrite.c>
    # deal with admin first
    RewriteCond %{REQUEST_URI} ^/(admin)
    RewriteRule ^admin/assets/(.*)$ backend/web/assets/$1 [L]
    RewriteRule ^admin/css/(.*)$ backend/web/css/$1 [L]
    RewriteRule ^admin/dist/(.*)$ backend/web/dist/$1 [L]
    RewriteRule ^admin/fonts/(.*)$ backend/web/fonts/$1 [L]
    RewriteRule ^admin/plugins/(.*)$ backend/web/plugins/$1 [L]
    RewriteRule ^admin/js/(.*)$ backend/web/js/$1 [L]

    RewriteCond %{REQUEST_URI} !^/backend/web/(assets|css|dist)/
    RewriteCond %{REQUEST_URI} ^/(admin)
    RewriteRule ^.*$ backend/web/index.php [L]
	
	#deal with frontend
    RewriteCond %{REQUEST_URI} ^/(assets|css|dist|themes)
    RewriteRule ^themes/(.*)$ frontend/web/themes/$1 [L]
    
	RewriteRule ^assets/(.*)$ frontend/web/assets/$1 [L]
    RewriteRule ^css/(.*)$ frontend/web/css/$1 [L]
    RewriteRule ^js/(.*)$ frontend/web/js/$1 [L]

    RewriteCond %{REQUEST_URI} !^/(frontend|backend)/web/(assets|css|dist)/
    RewriteCond %{REQUEST_URI} !^/(api)/
    RewriteCond %{REQUEST_URI} !^/(scripts)/
    RewriteCond %{REQUEST_URI} !index.php
	RewriteCond %{REQUEST_URI} !^/preview
    RewriteCond %{REQUEST_FILENAME} !-f [OR]
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^.*$ frontend/web/index.php
</IfModule>