casa/docker-compose.yml at main · rubyforgood/casa · GitHub

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services:
  web:
    build: .
    command: bin/dev
    ports:
      - "3000:3000"
      - "4000:4000"
    volumes:
      - .:/usr/src/app
      - node_modules:/usr/src/app/node_modules
      - bundle_data:/usr/local/bundle/gems
    env_file:
      - config/docker.env
    # `condition: service_healthy`, not a bare `- database`: a bare depends_on
    # waits for the container to START, not for Postgres to accept connections,
    # and the docker CI job runs `db:setup` through `compose exec` the moment
    # `up -d` returns -- so it raced the database and failed on connection
    # refused.
    depends_on:
      database:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:3000"]
      interval: 30s
      timeout: 10s
      retries: 5
    tty: true
    platform: linux/x86_64

  database:
    # NOTE: Postgres 12 went end-of-life in November 2024, so CI tests against
    # an unsupported engine. Bumping it needs the db_data volume recreated, so
    # it is a separate decision, not part of unbreaking the job.
    image: postgres:12.5
    env_file:
      - config/docker.env
    volumes:
      - db_data:/var/lib/postgresql/data
    ports:
      - "5435:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 5s
      retries: 12

  selenium_chrome:
    # `selenium/standalone-chrome-debug` was a SELENIUM 3 image, discontinued in
    # 2021. The tag still pulls, so `compose up` succeeds and quietly hands you
    # a 2021 Chrome behind the old JSON-wire grid -- while selenium-webdriver
    # here is 4.43, which speaks W3C only, so every :js spec in the docker job
    # talks past it. `standalone-chromium` is maintained and, unlike
    # `standalone-chrome`, publishes arm64 as well as amd64, so it also works on
    # Apple silicon.
    image: selenium/standalone-chromium:latest
    logging:
      driver: none
    ports:
      # noVNC, to watch a spec run (`:debug` driver). The -debug image served
      # raw VNC on 5900; the maintained images serve noVNC on 7900 in a browser
      # at http://localhost:7900 (password "secret") and keep 5900 for a VNC
      # client.
      - "7900:7900"
      - "5900:5900"
    # Chrome needs more than the default 64MB of /dev/shm or tabs crash mid-run.
    # The in-container driver already passes --disable-dev-shm-usage; raising
    # this is the belt to that braces, as Selenium's own compose examples do.
    shm_size: 2gb
    volumes:
      - ./tmp/downloads:/home/seluser/Downloads

volumes:
  db_data:
  bundle_data:
  node_modules: