# How Amazon CodeBuild uses Amazon Secrets Manager
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Amazon CodeBuild is a fully managed build service in the cloud. CodeBuild compiles your source code, runs unit tests, and produces artifacts ready to deploy. 

You can store your private registry credentials using Secrets Manager. For more information, see [Private registry with Amazon Secrets Manager sample for CodeBuild](https://docs.amazonaws.cn/codebuild/latest/userguide/sample-private-registry.html) in the *Amazon CodeBuild User Guide*.