trashposs/docs/examples/trashposs.apache.conf

# Replace example.com with your domain and set RemoteIPInternalProxy
<VirtualHost *:80>
    ServerName example.com

    RewriteEngine On
    RewriteCond %{HTTP:Upgrade} =websocket [NC]
    RewriteRule /(.*)           ws://127.0.0.1:3000/$1 [P,L]
    RewriteCond %{HTTP:Upgrade} !=websocket [NC]
    RewriteRule /(.*)           http://127.0.0.1:3000/$1 [P,L]

    # Here we define the path to the WebSocket

    ProxyPass "/streaming" "ws://127.0.0.1:3000/streaming"
    ProxyPassReverse "/streaming" "ws://127.0.0.1:3000/streaming"

    ProxyRequests Off
    ProxyPreserveHost On

    <Proxy *>
        Require all granted
    </Proxy>

    ProxyPass        / http://127.0.0.1:3000/
    ProxyPassReverse / http://127.0.0.1:3000/

    RemoteIPHeader X-Forwarded-For
    RemoteIPHeader X-Real-IP

    # Set this to the (internal) IP of your proxy server
    RemoteIPInternalProxy 127.0.0.1

    RequestHeader set "X-Forwarded-Proto" expr=%{REQUEST_SCHEME}
    # Uncomment this if you are using SSL
    #RequestHeader set "X-Forwarded-SSL" expr=%{HTTPS}

    AllowEncodedSlashes On

    <Location / >
        Require all granted
    </Location>
</VirtualHost>