packer TEMPLATE using http

[camaeel]

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Description

It would be great if I could do something like packer build https://github.com/camaeel/shared-packer-repo/branch/master//path_to_module or using git ssh URL. So I could have one common shared build setup with small parametrization (passed as vars file) and instnace provisioning logic in ansible (in different path).

Use Case(s)

I have multiple projects that share almost the same setup and in order to share common packer HCL I need to git clone them in CI before really executing packer build.

Potential configuration

Potential References