Fixing the cloud env variable

[idomic]

Describe your changes

This PR is to easily shift the cloud end point via an env variable.

Issue number

Closes #49

Checklist before requesting a review

• [ ] Performed a self-review of my code
• [ ] Formatted my code with pkgmt format
• [ ] Added tests (when necessary).
• [ ] Added docstring documentation and update the changelog (when needed)

[edublancas]

@idomic I started reviewing but then I think there is some pending stuff, please request my review when ready