build phoenix in docker

README.md

1. create deploy_projct
2. create Dockerfile
3. create docker-compose.yml

build and deploy

1. docker-compose up # build
2. docker-compose run build deploy # deploy

doc

1. https://github.com/bitwalker/distillery/tree/master/docs

build.sh

#!/usr/bin/env bash

echo "build start"
cd /var/app

if [ ! -d "./demo" ]; then
  echo "clone code"
  git clone git@github.com:mjason/demo.git
else
  echo "pull code"
  cd /var/app/demo
  git fetch --all
  git reset --hard origin/master 
fi

cd /var/app/demo
cp ../config/prod.secret.exs ./config/prod.secret.exs

mix local.hex --force
mix deps.get

yarn
npm run deploy

mix local.rebar --force
MIX_ENV=prod mix do compile, phoenix.digest, release --env=prod

demo.service

[Unit]
Description=demo
After=network.target

[Service]
User=root
WorkingDirectory=/opt/app/demo
ExecStart=/opt/app/demo/bin/demo start
ExecStop=/opt/app/demo/bin/demo stop
Environment=PORT=8080
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target

deploy.sh

#!/usr/bin/env bash

rsync -r --progress /var/app/demo/_build/prod/rel/demo ubuntu@you_hosts:/opt/app
ssh ubuntu@you_hosts 'sudo service demo restart'

docker-compose.yml

version: '2'
services:
  build:
    build: '.'
    volumes:
      - ./_src:/var/app      
      - ./config/prod.secret.exs:/var/app/config/prod.secret.exs
      - $HOME/.ssh/id_rsa:/root/.ssh/id_rsa
      - ./build.sh:/bin/build
      - ./deploy.sh:/bin/deploy
    command: build

Dockerfile

FROM ubuntu:16.04

RUN apt-get update
RUN apt-get install -y git wget curl build-essential
RUN wget https://packages.erlang-solutions.com/erlang-solutions_1.0_all.deb && dpkg -i erlang-solutions_1.0_all.deb
RUN apt-get update
RUN apt-get install erlang -y
RUN apt-get install -y elixir

RUN curl -sL https://deb.nodesource.com/setup_6.x | bash -
RUN apt-get install -y nodejs

RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
RUN apt-get update && apt-get install yarn

RUN apt-get install software-properties-common -y
RUN apt-add-repository ppa:ansible/ansible
RUN apt-get update
RUN apt-get install ansible -y

RUN apt-get install -y --no-install-recommends locales

RUN apt-get update && apt-get install -y --no-install-recommends \
    locales \
    && export LANG=en_US.UTF-8 \
    && echo $LANG UTF-8 > /etc/locale.gen \
    && locale-gen \
    && update-locale LANG=$LANG \
    && rm -rf /var/lib/apt/lists/*

ENV LANG=en_US.UTF-8 \
    LANGUAGE=en_US.UTF-8 \
    LC_ALL=en_US.UTF-8

RUN mkdir -p /root/.ssh
RUN echo "Host github.com\n\tStrictHostKeyChecking no\n" >> /root/.ssh/config
RUN echo "Host site_host\n\tStrictHostKeyChecking no\n" >> /root/.ssh/config

WORKDIR /var/app