Apache + socket.io

my-vhost.conf

<VirtualHost *:80>
    ServerName dee-basic.test

    Redirect permanent "/" "https://dee-basic.test/"
</VirtualHost>

<VirtualHost *:443>
    ServerName dee-basic.test
    DocumentRoot /var/www/dee-basic/web

    SSLEngine on
    SSLCertificateFile      /etc/ssl/certs/apache-selfsigned.crt
    SSLCertificateKeyFile /etc/ssl/private/apache-selfsigned.key

    # Jangan lupa enable proxy_wstunnel
    # sudo a2enmod proxy_wstunnel
    RewriteEngine On
    RewriteCond %{REQUEST_URI}  ^/socket.io            [NC]
    RewriteCond %{QUERY_STRING} transport=websocket    [NC]
    RewriteRule /(.*)           ws://localhost:3001/$1 [P,L]

    ProxyRequests on
    ProxyPassMatch ^/socket http://localhost:3001
    ProxyPassReverse ^/socket http://localhost:3001

    <Directory /var/www/dee-basic/web/>
        Options Indexes FollowSymLinks
	    AllowOverride All
	    Require all granted
    </Directory>

    IncludeOptional php73-fcgi.conf
</VirtualHost>

php73-fcgi.conf

# Redirect to local php-fpm if mod_php is not available
<IfModule !mod_php7.c>
<IfModule proxy_fcgi_module>
    # Enable http authorization headers
    <IfModule setenvif_module>
    SetEnvIfNoCase ^Authorization$ "(.+)" HTTP_AUTHORIZATION=$1
    </IfModule>

    <FilesMatch ".+\.ph(ar|p|tml)$">
        SetHandler "proxy:unix:/run/php/php7.3-fpm.sock|fcgi://localhost"
    </FilesMatch>
    <FilesMatch ".+\.phps$">
        # Deny access to raw php sources by default
        # To re-enable it's recommended to enable access to the files
        # only in specific virtual host or directory
        Require all denied
    </FilesMatch>
    # Deny access to files without filename (e.g. '.php')
    <FilesMatch "^\.ph(ar|p|ps|tml)$">
        Require all denied
    </FilesMatch>
</IfModule>
</IfModule>