To run rails with bitbucket pipeline CI

Bitbucket Pipeline Rails.yml

# This is a sample build configuration for Ruby.
# Check our guides at https://confluence.atlassian.com/x/VYk8Lw for more examples.
# Only use spaces to indent your .yml configuration.
# -----
# You can specify a custom docker image from Docker Hub as your build environment.
image: ruby:2.2.4

clone:
  depth: 3  

pipelines:
  branches:
    master:
      - step:
          script: # Modify the commands below to build your repository.
            - apt-get update
            - apt-get install -y build-essential libpq-dev nodejs
            - bundle install
            - bundle exec rake db:migrate RAILS_ENV=test 
            - bundle exec rspec