Builder api Upstream Error

[nikhilbhatt]

Hello - thanks for reporting an issue with Habitat.

In order to help us troubleshoot the issue, please be sure to include the following information if applicable:

• The OS (including version) where you are running any of the Habitat commands.
  Ubuntu 18.04.6 LTS (2GB)

I am setting on Premise habitat in my ec2 instance (for testing). I have set up everything. but when I sign up with Github it shows the following error.

Console shows bad gateway 502 error.

I checked for the log file in builder-API-proxy this is the error that I get.
[error] 8540#0: *56 recv() failed (104: Connection reset by peer) while reading response header from upstream,
request: "GET /v1/authenticate/<github_secret HTTP/1.1"
Upstream is pointing to http://instance_ip:9636/v1/authenticate/<github_secret>

Same error Arise when I search for package name in /pkgs/core url.