Dockerfile

# What we want to use as a base of our container.
# We all know Ubuntu, so why not.
FROM ubuntu:14.04

# Some locale setting business, better to have it than not.
ENV DEBIAN_FRONTEND=noninteractive
RUN locale-gen en_GB.UTF-8
ENV LANG en_GB.UTF-8
ENV LANGUAGE en_GB:en
ENV LC_ALL en_GB.UTF-8

# Update what's there, and install make.
RUN apt-get update -qq && apt-get install -y build-essential

# Copy shared make definitions. We use them to define 
# a generalised interface for updating/installing packages.
# (apt.mk)
COPY makedeps/shared /code/makedeps/shared

# Copy and run all the makefiles needed.
# First in line: base, including some utils.
COPY makedeps/base-build /code/makedeps/base-build
RUN cd /code/makedeps/base-build && make base-repos base-build-deps 

# Next: postgres client
COPY makedeps/postgres /code/makedeps/postgres
RUN cd /code/makedeps/postgres && make postgres-repos postgres-build-deps 

# Then: node runtime
COPY makedeps/node /code/makedeps/node
RUN cd /code/makedeps/node && make node-repos node-build-deps 

# Finally: elixir!
COPY makedeps/elixir /code/makedeps/elixir
RUN cd /code/makedeps/elixir && make elixir-repos elixir-build-deps 

# After all that is done, we only need to bring all the code
# into the container.
COPY ./ /code
WORKDIR /code

# And run final setup tasks (taking care of things like
# npm install and mix deps.get)
CMD make elixir-setup && make node-setup