version: '2' services: db: image: postgres volumes: - ./tmp/db:/var/lib/postgresql/data environment: POSTGRES_USER: 'username' POSTGRES_HOST_AUTH_METHOD: trust web: build: . command: bash -c "rm -f tmp/pids/server.pid && yarn install --check-files && rake db:create db:migrate && bundle exec rails s -b 0.0.0.0" volumes: - ./web:/myapp ports: - "3000:3000" depends_on: - db