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<VirtualHost *:7777>
        RequestHeader set X-Forwarded-Proto https
        RequestHeader set Access-Control-Allow-Origin: "https://<Nome externo do servidor>"
        RequestHeader set X-Forwarded-Host  <Nome externo do servidor>:7777

        ServerName  <Nome externo do servidor> 

        SSLProxyEngine On
        SSLEngine On

        ProxyRequests Off
        ProxyPreserveHost On
        Include /etc/letsencrypt/options-ssl-apache.conf
        SSLCertificateFile  <diretorio-cadeia-certificados>/cert.pem 
        SSLCertificateKeyFile <diretorio-cadeia-certificados>/privkey.pem

        # allow for upgrading to websockets
        RewriteEngine On
        RewriteCond %{HTTP:Upgrade} =websocket [NC]
        RewriteRule /(.*)           ws://<IP do servidor Fluig>:7777/$1 [P,L]
        RewriteCond %{HTTP:Upgrade} !=websocket [NC]
        RewriteRule /(.*)           http://<IP do servidor Fluig>:7777/$1 [P,L]


        ProxyPass "/" "http://<IP do servidor Fluig>:7777"
        ProxyPassReverse "/" "http://<IP do servidor Fluig>:7777/"

        ProxyPass "/chatHub" "ws://<IP do servidor Fluig>:7777/chatHub"
        ProxyPassReverse "/chatHub" "ws://<IP do servidor Fluig>:7777/chatHub"

</VirtualHost>