Allow building from custom Docker image without any local Dockerfile
bouchardmathieu-qc opened this issue · 3 comments
Is your request related to a new offering from AWS?
No
Is your request related to a problem? Please describe.
We would like to use the Docker support in this module to be able to more easily manage the discrepancies between the supported Python version of AWS Lambda and the version installed by default in our build environment (CodeBuild). We have a secure environment where we need to use images from a private repository because network access is restricted. We have copied the official SAM Python build images in our repository, so we need to pass a custom image to the module.
Describe the solution you'd like.
A simple way to use a custom image from an outside source
Describe alternatives you've considered.
After a couple of tries with the module, it seems that this is not supported right now because the code for using custom images is based on a local Dockerfile that is used to construct a custom image when executing the Terraform code and we cannot only pass the name of an external image to use. We also cannot use a custom almost empty Dockerfile with the name of the image passed as an argument of the docker build command, because the custom docker options are only used when calling the docker run command to create the layers.
Additional context
Our AWS environment is based on https://github.com/aws-samples/aws-secure-environment-accelerator
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