CircleCI 2 config (.circleci/config.yml)

config.yml

version: 2
jobs:
  build:
    parallelism: 1
    docker:
      - image: circleci/elixir:1.8.1-node-browsers
        environment:
          MIX_ENV: test
          POSTGRES_USER: postgres
          POSTGRES_DB: app_test
          POSTGRES_PASSWORD:
      - image: circleci/postgres:10-alpine
        environment:
          POSTGRES_USER: postgres
          POSTGRES_DB: app_test
          POSTGRES_PASSWORD:

    working_directory: ~/app

    steps:
      - checkout

      - run: mix local.hex --force
      - run: mix local.rebar --force

      - restore_cache:
            keys:
                - v1-mix-cache-{{ .Branch }}-{{ checksum "mix.lock" }}
                - v1-mix-cache-{{ .Branch }}
                - v1-mix-cache

      - restore_cache:
            keys:
                - v1-build-cache-{{ .Branch }}
                - v1-build-cache

      - run: mix do deps.get, compile

      - save_cache:
            key: v1-mix-cache-{{ .Branch }}-{{ checksum "mix.lock" }}
            paths: "deps"

      - save_cache:
            key: v1-mix-cache-{{ .Branch }}
            paths: "deps"

      - save_cache:
            key: v1-mix-cache
            paths: "deps"

      - save_cache:
            key: v1-build-cache-{{ .Branch }}
            paths: "_build"

      - save_cache:
            key: v1-build-cache
            paths: "_build"

      - restore_cache:
            keys:
                - v1-yarn-cache-{{ .Branch }}-{{ checksum "apps/web/assets/yarn.lock" }}
                - v1-yarn-cache-{{ .Branch }}
                - v1-yarn-cache

      - run:
            name: Install node dependencies
            working_directory: apps/web/assets
            command: yarn install

      - save_cache:
            key: v1-yarn-cache-{{ .Branch }}-{{ checksum "apps/web/assets/yarn.lock" }}
            paths: apps/web/assets/node_modules

      - save_cache:
            key: v1-yarn-cache-{{ .Branch }}
            paths: apps/web/assets/node_modules

      - save_cache:
            key: v1-yarn-cache
            paths: apps/web/assets/node_modules

      - run:
            name: Wait for DB
            command: dockerize -wait tcp://localhost:5432 -timeout 1m

      - run: mix test