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, "~> 0.2.0"}]
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 |
| entrypoint_args | nil | Arguments to use for the entrypoint, e.g. 'console' |