config.yml

version: 2
jobs:
  lint:
    docker:
      - image: circleci/elixir:1.10.3-node-browsers
    steps:
      - checkout
      - restore_cache:
          keys:
            - v1-elixir-deps-cache-{{ .Branch }}-{{ checksum "mix.lock" }}
            - v1-elixir-deps-cache-{{ .Branch }}
            - v1-elixir-deps-cache
      - restore_cache:
          keys:
            - v1-elixir-build-cache-{{ .Branch }}
            - v1-elixir-build-cache
      - run:
          name: Setup Environment Variables
          command: |
            echo "export MIX_ENV=test" >> $BASH_ENV
            echo "export POSTGRES_HOSTNAME=localhost" >> $BASH_ENV
            echo "export POSTGRES_PASSWORD=mysql" >> $BASH_ENV
            echo "export POSTGRES_POOL_SIZE=20" >> $BASH_ENV
            echo "export POSTGRES_PORT=5432" >> $BASH_ENV
            echo "export POSTGRES_USER=postgres" >> $BASH_ENV
      - run: mix local.hex --force
      - run: mix local.rebar --force
      - run: mix deps.get
      - run: mix format --check-formatted
      - run: mix credo

  test:
    docker:
      - image: circleci/elixir:1.10.3-node-browsers
      - image: circleci/postgres:12.2
        environment:
          POSTGRES_USERNAME: postgres
          POSTGRES_PASSWORD: postgres
      - image: zhanglianxin/turndown-service
        ports:
          - 9999:9999
    steps:
      - checkout
      - restore_cache:
          keys:
            - v1-elixir-deps-cache-{{ .Branch }}-{{ checksum "mix.lock" }}
            - v1-elixir-deps-cache-{{ .Branch }}
            - v1-elixir-deps-cache
      - restore_cache:
          keys:
            - v1-elixir-build-cache-{{ .Branch }}
            - v1-elixir-build-cache
      - run:
          name: Setup Environment Variables
          command: |
            echo "export MIX_ENV=test" >> $BASH_ENV
            echo "export POSTGRES_HOSTNAME=localhost" >> $BASH_ENV
            echo "export POSTGRES_PASSWORD=mysql" >> $BASH_ENV
            echo "export POSTGRES_POOL_SIZE=20" >> $BASH_ENV
            echo "export POSTGRES_PORT=5432" >> $BASH_ENV
            echo "export POSTGRES_USER=postgres" >> $BASH_ENV
      - run: mix local.hex --force
      - run: mix local.rebar --force
      - run: mix deps.get
      - run: mix compile --warnings-as-errors
      - run:
          name: Wait for DB
          command: dockerize -wait tcp://localhost:5432 -timeout 1m
      - run: mix test --trace
      - save_cache:
          key: v1-elixir-deps-cache-{{ .Branch }}-{{ checksum "mix.lock" }}
          paths:
            - deps
      - save_cache:
          key: v1-elixir-deps-cache-{{ .Branch }}
          paths:
            - deps
      - save_cache:
          key: v1-elixir-deps-cache
          paths:
            - deps
      - save_cache:
          key: v1-elixir-build-cache-{{ .Branch }}
          paths:
            - _build
      - save_cache:
          key: v1-elixir-build-cache
          paths:
            - _build

  push_docker_image:
    docker:
      - image: docker:19.03.4-git
    steps:
      - checkout
      - setup_remote_docker:
          version: 18.09.3
          docker_layer_caching: true
      - run:
          name: Set required env vars
          command: |
            echo 'export COMMIT_SHA1=$CIRCLE_SHA1' >> $BASH_ENV
      - run:
          name: Build and publish docker image to AWS ECR
          command: DOCKER_BUILDKIT=1 docker build . -t esl/training_temp:${COMMIT_SHA1}
workflows:
  version: 2
  flow:
    jobs:
      - lint
      - test
      - push_docker_image:
          requires:
            - lint
            - test
          filters:
            branches:
              only:
                 - master
                 - staging