config.yml

# Elixir CircleCI 2.0 configuration file
#
# Check https://circleci.com/docs/2.0/language-elixir/ for more details
version: 2
jobs:
  build:
    docker:
      # specify the version here
      - image: circleci/elixir:1.4
      - image: postgres:9.5
        env:
          - POSTGRES_PASSWORD=test
          - POSTGRES_USER=test

      # Specify service dependencies here if necessary
      # CircleCI maintains a library of pre-built images
      # documented at https://circleci.com/docs/2.0/circleci-images/
      # - image: circleci/postgres:9.4

    working_directory: ~/repo
    steps:
      - checkout

      # specify any bash command here prefixed with `run: `
      - run: mix local.rebar --force
      - run: mix local.hex --force
      - run: mix deps.get
      - run: mix ecto.create
      - run: mix test
      - run: |
          set -exu
          if [ $CIRCLE_BRANCH == "master" ]; then
            BRANCH=master TARGET_SERVER=production bin/deploy
          else
            echo "Not on master branch, nothing to do"
          fi