AWS credentials during Docker build process

The name of the environment variable is AWS_ACCESS_KEY_ID vs AWS_ACCESS_KEY

You can review the full list from amazon doc

The following variables are supported by the AWS CLI

AWS_ACCESS_KEY_ID – AWS access key.

AWS_SECRET_ACCESS_KEY – AWS secret key. Access and secret key variables override credentials stored in credential and config files.

AWS_SESSION_TOKEN – session token. A session token is only required if you are using temporary security credentials.

AWS_DEFAULT_REGION – AWS region. This variable overrides the default region of the in-use profile, if set.

AWS_DEFAULT_PROFILE – name of the CLI profile to use. This can be the name of a profile stored in a credential or config file, or default to use the default profile.

AWS_CONFIG_FILE – path to a CLI config file.