Updates
Updates

* base on the new Alpine Linux based Python images (so we don't need to worry about installing Pythin and pip any longer
* Sort apk packages alphabetically
* Use the new (since Alpine 3.3) `--no-cache` directive, see https://github.com/gliderlabs/docker-alpine/blob/f93486d/docs/usage.md#disabling-cache

codeship-library/aws-utilities,CodeshipLibrary/aws-deployment,codeship-library/aws-utilities,codeship-library/aws-deployment,CodeshipLibrary/aws-deployment,codeship-library/aws-deployment