boatswain 0.5.1

Boatswain

Boatswain is a simple build system for docker images.

It is especially usefull when you have multiple docker images that depend on each other.

Installation

Boatswain is a simple python script you can install with pip

$ pip install boatswain

Usage

Create a file called boatswain.yml for your project with the following syntax, which is heavily based on docker-compose.

version: 1.0                    # The version of the boatswain yaml
organisation: boatswain         # Your dockerhub organisation
images:
    image1:pytest:              # the key will be used to tag the image
        context: docker/image1  # The path of the dockerfile
    image2:pytest:
        context: docker/image2
        from: image1:pytest     # This image depends on the other image
    image3:pytest:
        context: docker/image3
        from: image2:pytest
    image4:pytest:
        context: docker/image4
        tag: image12:pytest     # This image will be tagged with this