Dockerfile

# ./Dockerfile
# Elixir base image to start with
FROM elixir:1.11

# install hex package manager
RUN mix local.hex --force
RUN mix local.rebar --force

# install the latest Phoenix
RUN mix archive.install hex phx_new 1.5.8

# install NodeJS and NPM
RUN curl -sL https://deb.nodesource.com/setup_14.x -o nodesource_setup.sh
RUN bash nodesource_setup.sh
RUN apt-get install nodejs
RUN apt-get install -y inotify-tools

# create our app folder and copy our code in it and set it as default
RUN mkdir /app
COPY . /app
WORKDIR /app

# install dependencies
RUN mix deps.get
RUN mix deps.compile

# We can't separate the command as each command crate a temporary container
# and each container as it own temporary variables
RUN cd apps/admin/assets && npm install && npm run deploy && cd ../ && mix phx.digest

# run phoenix server. The CMD is run each time the container is launched.
RUN ls
CMD mix phx.server