Nodejs SSL (https) Socket IO and Client (Android) connection Help

Job ID: 31698493

Budget: $10 – $30 USD

I have Node Js Socket IO (using express) , version 4.2.0 - working fine with http connection , but with https need help to 1) how to get .key, .cer from domain/certificate and have it enable in nodejs program
2) With client which is Android when I try to connect to Node Js Socket its complaining about 1) xhr poll error 2) 502 Bad Gateway error.

Need someone to fix both the ends.
Related categories: Android Node.js Express JS Socket IO