Codeship has released build arguments as a new feature for builds running on Codeship Pro. Build arguments are environment variables accessible only during the image build process. For any service in your Codeship Pro build, you can use both unencrypted and encrypted build arguments.
You can learn more about the feature and various use cases within our documentation: https://documentation.codeship.com/pro/getting-started/build-arguments/ as well as from the Docker website: https://docs.docker.com/compose/compose-file/#/args.
The feature is available to use within Docker Compose features, as we expand our offerings within Docker. Please let us know of any other Docker Compose features you would like to see us release.
The Product Team