How to use the default AWS credentials chain for an S3 backed Maven repository in a Gradle build?

Question

According to Gradle documention (Example 50.27), we can use S3 backed Maven repositories with Gradle 2.4. However, the only example given in the docs passes explicit AWS credent

Answer 1

More recent versions of Gradle provide a built-in way to use credentials from the default provider chain, eg:

maven {
    url "s3://myCompanyBucket/maven2"
    authentication {
       awsIm(AwsImAuthentication) // load from EC2 role or env var
    }
}

This avoids the need to manually create an instance of the provider chain and pass in the credential values.