Fix port binding

app/jitsi/config/nginx.conf

@@ -32,7 +32,7 @@ http {
     }
 
     location /http-bind {
-        proxy_pass      http://{{ env "NOMAD_ADDR_xmpp_port" }}/http-bind;
+        proxy_pass      http://{{ env "NOMAD_ADDR_bosh_port" }}/http-bind;
         proxy_set_header X-Forwarded-For \$remote_addr;
         proxy_set_header Host \$http_host;
     }