Laravel Echo Server "net::ERR_CONNECTION_TIMED_OUT" Error

Hi. I run my website on a PaaS service. I want use Laravel echo (Client and Server). So first I created a Node JS service with and deploy to it this below source code.

https://hastebin.com/noragupivu.coffeescript

Then I deployed my Laravel website in another service This first server host URL is: https://wallex.liara.run/ The second service that run "Laravel Echo Server" is: https://wallex-socket.liara.run/

Also my "Laravel Echo Client" codes (that is inside bootstrap.js) is in this below link

https://hastebin.com/vahovuxuve.coffeescript

Thank You.