Questions tagged [ruby-on-rails]

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Ruby and Rest service in Docker

I am new to DevOps on the Ruby stack. I have Ruby on Rails application. It uses several Rest based service. Each of the services is deployed with Docker. There are no DevOps efforts now. We use Gitlab ...
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chromdriver issue docker and ruby on rails with selenium/standalone-chrome-debug

I have setup docker using a book tutorial, everything working fine, but when I setup selenium_chrome it is giving me error one test is passing and another is failing. Following entry is in docker-...
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What does the RAILS_ENV environment variable do in Ruby on Rails?

I have this docker-compose.yml: ports: - "3000:3000" environment: RAILS_ENV: development What does the RAILS_ENV do? What difference does it make, when RAILS_ENV is changed to development? How ...