ExrmDocker

Create a Docker image from your Elixir release

Usage

To create a new Docker image simply run:

mix release --docker

This will output the docker build result with the created image id.

To specify docker image tag you can use --tag option:

mix release --docker --tag=test:0.3

docker images
REPOSITORY   TAG   IMAGE ID       CREATED         VIRTUAL SIZE
test         0.3   6d3d5f9abac4 6 seconds ago      224.3 MB

by default it uses project name.

Once your image has been built, start a new container.

• docker run -itd <image_id> console

Next you can attach to your container.

• docker attach <container_id>

And detach using Ctrl-p Ctrl-q.

Check below for configuration options.

Installation

Add exrm_docker to your list of dependencies in mix.exs:

  def deps do
    [{:exrm_docker, "~> 0.1.0"}]
  end

exrm_docker config.exs

Key | Default | Description ----------- | -------------------------------------------- | ----------------------------------- image | centos | Which image to use version | nil | Which image version to use maintainer | nil | Image maintainer copy_rel | COPY rel /rel | Copy the release to the container pre_copy | nil | Any Dockerfile commands before copy post_copy | nil | Any Dockerfile commands after copy entrypoint | ENTRYPOINT ["rel/#{project}/bin/#{project}"] | Entrypoint of the image