artburkart/phoenix repository overview

⁠A Docker container for the Phoenix framework

It features all the latest versions of the Phoenix web framework, the Elixir language and the Erlang platform.

Phoenix is a framework for building scalable web applications with realtime connectivity across all your devices. It relies on the Elixir language for making the development of maintainable applications productive and fun.

⁠Create a Phoenix app

$ docker run -it --rm -v "$PWD":/code -w /phoenix artburkart/phoenix mix phoenix.new /code/my_new_app

⁠Run Phoenix app

$ docker run -it --rm --expose 4000 -P -v "$PWD":/code -w /code/my_new_app artburkart/phoenix bash -c "mix deps.get && mix phoenix.server"

⁠Image Variants

⁠artburkart/phoenix:<version>

This is the defacto image. If you are unsure about what your needs are, you probably want to use this one. It is designed to be used both as a throw away container (mount your source code and start the container to start your app), as well as the base to build other images off of.

⁠artburkart/phoenix:<version>-onbuild

This image makes building derivative images easier. For most use cases, creating a Dockerfile in the base of your project directory with the line FROM artburkart/phoenix:onbuild will be enough to create a stand-alone image for your project.

While the onbuild variant is really useful for "getting off the ground running" (zero to Dockerized in a short period of time), it's not recommended for long-term usage within a project due to the lack of control over when the ONBUILD triggers fire.

Once you've got a handle on how your project functions within Docker, you'll probably want to adjust your Dockerfile to inherit from a non-onbuild variant and copy the commands from the onbuild variant Dockerfile (moving the ONBUILD lines to the end and removing the ONBUILD keywords) into your own file so that you have tighter control over them and more transparency for yourself and others looking at your Dockerfile as to what it does. This also makes it easier to add additional requirements as time goes on (such as installing more packages before performing the previously-ONBUILD steps).

⁠Supported Docker versions

I built this image with docker 1.8.2

This Dockerfile borrows a ton from marcelocg⁠'s image and from the official⁠ repos (there is no official image for elixir or phoenix)