docker-compose.yml

app:
  extends:
    file: docker/common.yml
    service: app
  links:
    - db
  command: rackup -s puma -p 4567 --host 0.0.0.0
  ports:
    - "${EXTERNAL_PORT}:4567"
  environment:
    # These will ensure that certain development commands which
    # use 'psql' will also include our custom database config.
    #
    # For more information, see:
    # http://www.postgresql.org/docs/8.4/static/libpq-envars.html
    PGHOST: db
    PGUSER: exercism
    PGPASSWORD: apples

    RACK_ENV:
    DEV_DATABASE_HOST: db
db:
  image: postgres:9.4
  environment:
    POSTGRES_USER: exercism
    POSTGRES_PASSWORD: apples
compass:
  extends:
    file: docker/common.yml
    service: app
  command: compass watch

# Lineman runs, but it's putting all its compiled code into
# /frontend/generated, which the Ruby app isn't looking at. On
# top of that, it doesn't deal with Docker's SIGTERM in a graceful
# way, which slows down stopping the container, so we'll just leave
# this whole thing disabled for now.

#lineman:
#  extends:
#    file: docker/common.yml
#    service: app
#  command: lineman run
#  working_dir: /exercism/frontend