The default Docker containers that CodeBuild uses (you can create your own) and the shell script it uses to parse the yaml configuration file (mostly a list of shell scripts) are all open source and the entire process can be run locally.
https://github.com/aws/aws-codebuild-docker-images
https://docs.aws.amazon.com/codebuild/latest/userguide/use-c...
Disclaimer: I work for AWS. But nowhere near the team that developed Firecracker
The default Docker containers that CodeBuild uses (you can create your own) and the shell script it uses to parse the yaml configuration file (mostly a list of shell scripts) are all open source and the entire process can be run locally.
https://github.com/aws/aws-codebuild-docker-images
https://docs.aws.amazon.com/codebuild/latest/userguide/use-c...
Disclaimer: I work for AWS. But nowhere near the team that developed Firecracker