Apache .htaccess Configuration Issue: Allow Access to one folder Only

I am trying to configure an .htaccess file with the following requirements:

1. Block access to all files/folder by default

2. Make /myfolder/ accessible to everyone

3. Allow a specific IP to access everything

This is what I have tried

Order Deny,Allow
Deny from all
Allow from x.x.x.x

<FilesMatch "^my-folder(.*)$">
    Allow from all
</FilesMatch>

my apache.conf

<VirtualHost *:80>
        ServerName www.example.com
        ServerAlias example.com
        DocumentRoot /var/www/example/example.jp/
        ProxyRequests off
        ProxyPreserveHost on

        <Directory /var/www/example/example.jp/>
                Options Indexes FollowSymLinks
                AllowOverride all
                Require all granted
        </Directory>

        ProxyPass /ws !
        alias /ws /var/www/example/example.jp/ws
        <Directory /var/www/example/example.jp/ws>
                Options Indexes FollowSymLinks
                AllowOverride all
                Require all granted
        </Directory>


        ProxyPass / http://127.0.0.1:3000/
        ProxyPassReverse / http://127.0.0.1:3000/
</VirtualHost>

myfolder exists inside ws.

problem is everything is being blocked.

Is there any issues in this config? Please help.

Edit: Below solution worked for me. I was using reverse proxy so I had to use SetEnvIf X-Forwarded-For "^myip" ALLOWED_IP

Your Apache config looks fine.

In your site root .htaccess you can use auth directives like this:

SetEnvIf Request_URI "^/my-folder/" ALLOWED

Satisfy any
Order deny,allow
Deny from all
Allow from env=ALLOWED