Github Integrations is not working as expected

Alright, so let me explain exactly what is happening step by step. And just to make thing more clear, this isn't related to the **_GitHub OAuth for user authorization (sign-in/sign-up)_**

After self hosting huly.io in my private server, I am trying to connect my workspace with github, by navigating to `Settings → Integrations → Github`. I tried to connect both my github account as well as the github repositories. However, when I click on `Authorize Platform Github App` as per the first case or `Install Github` as per the second case, I am being redirected to a 404 error page on github.

Tried multiple things, such as implementing the OAuth or chaning the nginx conf but I am not able to figure out what is the root problem for this.

For more clarity this is what the redirection url looks like...

For **Your Github Account** section:

```
https://github.com/login/oauth/authorize?client_id=&login=&state=eyJh[redacted]
```

And for **Github Respositories** section:

```
https://github.com/apps//installations/new?state=eyJh[redacted]
```

Can anyone help me resolve this issue.