Example of Bitbucket Pipeline for Ruby 2.5.1 + Webpacker + System Tests + Deployment to Elastic Beanstalk

bitbucket-pipelines.yml

image: circleci/ruby:2.5.1-node-browsers

pipelines:
  default:
    - step: &tests
        name: Tests
        caches:
          - bundler
          - node
        services:
          - postgres
        script:
          - bundle install --path vendor/bundle --without production development --jobs 3 --retry 3
          - cp .env.example .env
          - yarn install
          - bundle exec rspec
          - bundle exec rubocop
  branches:
    master:
      - step:
          <<: *tests
      - step:
          name: Deploy
          deployment: master
          caches:
            - pip
          script:
            - pwd
            - sudo apt-get update && sudo apt-get install -y python-dev
            - curl -O https://bootstrap.pypa.io/get-pip.py
            - python get-pip.py --user
            - export PATH=~/.local/bin:$PATH
            - pip install 'awsebcli==3.14.4' --upgrade --user
            - pip install 'awscli==1.15.59' --upgrade --user
            - eb init 'Your Website Name' -r eu-central-1 -p 'Ruby 2.5 (Puma)'
            - eb deploy master
definitions:
  services:
    postgres: 
      image: postgres
      environment:
        POSTGRES_DB: database_schema_name
        POSTGRES_USER: circleci
  caches:
    bundler: vendor/bundle
    pip: ~/.cache/pip