Hello world i'm working on a project on react and got stuck . i was wonder how does one get a mentor

So my project is is on react ,express.node and sendgrid, i’m trying to deploy the website on heroku. the app works when its not deployed . but then i deployed the backed tried to get it to communicate with the front end not deployed . then i got a cors error . i ened up downloading a chorm extension that bypasses that but now i get a error 503.been stuck on this for days first time trying to deploy.

If you are gettings cors error. Take a look at cors library. It can be easily implemented in express.