app.conf

<VirtualHost *:80>
    ServerName barryonweb.com

    # Proxy settings for Backend API
    ProxyPreserveHost On
    ProxyPass /api/ http://localhost:5000/
    ProxyPassReverse /api/ http://localhost:5000/

    # Proxy settings for WebSockets    
    ProxyPass /websocket ws://localhost:5000/websocket
    ProxyPassReverse /websocket ws://localhost:5000/websocket

    # Serve Frontend React App
    DocumentRoot /var/www/appRootDir/clientDir

    <Directory /var/www/appRootDir/clientDir>
        Options Indexes FollowSymLinks
        AllowOverride All
        Require all granted

        # Enable Rewrite Engine for SPA Routing
        RewriteEngine On

        # If a file or directory doesn't exist, serve index.html
        RewriteCond %{REQUEST_FILENAME} !-f
        RewriteCond %{REQUEST_FILENAME} !-d
        RewriteRule ^ /index.html [L]
    </Directory>

    # Logging
    ErrorLog ${APACHE_LOG_DIR}/combined-error.log
    CustomLog ${APACHE_LOG_DIR}/combined-access.log combined
</VirtualHost>