htaccess rewrite subdirectories based on env variable

<IfModule mod_rewrite.c>

    SetEnv ENVIRONMENT production

    Options +FollowSymlinks
    RewriteEngine On
    RewriteBase /

    RewriteCond %{HTTP_HOST} ^movieapp.ds$
    RewriteRule (.*) $1 [E=ENVIRONMENT:development]

    #Redirects frontend app requests
    RewriteCond %{ENV:ENVIRONMENT} ^development$
    RewriteRule ^scripts/(.*)$ app/scripts/$1 [L]
    RewriteRule ^styles/(.*)$ app/styles/$1 [L]
    RewriteRule ^images/(.*)$ app/images/$1 [L]
    RewriteRule ^views/(.*)$ app/views/$1 [L]


    RewriteCond %{ENV:ENVIRONMENT} ^production$
    RewriteRule ^scripts/(.*)$ dist/scripts/$1 [L]
    RewriteRule ^styles/(.*)$ dist/styles/$1 [L]
    RewriteRule ^images/(.*)$ dist/images/$1 [L]
    RewriteRule ^views/(.*)$ dist/views/$1 [L]



    #Removes access to the system folder by users.
    #Additionally this will allow you to create a System.php controller,
    #previously this would not have been possible.
    #'system' can be replaced if you have renamed your system folder.
    RewriteCond %{REQUEST_URI} ^system.*
    RewriteRule ^(.*)$ index.php?/$1 [L]

    #When your application folder isn't in the system folder
    #This snippet prevents user access to the application folder
    #Submitted by: Fabdrol
    #Rename 'application' to your applications folder name.
    RewriteCond %{REQUEST_URI} ^application.*
    RewriteRule ^(.*)$ index.php?/$1 [L]

    #Checks to see if the user is attempting to access a valid file,
    #such as an image or css document, if this isn't true it sends the
    #request to index.php
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ index.php?/$1 [L]

</IfModule>

<IfModule !mod_rewrite.c>
    # If we don't have mod_rewrite installed, all 404's
    # can be sent to index.php, and everything works as normal.
    # Submitted by: ElliotHaughin

    ErrorDocument 404 index.php
</IfModule>