devops-day.md

DevOps Day!

Dependencies

• A personal Github account
• A personal Codeship account
• A personal Heroku account
• A Rails development environment
  • rbenv or rvm
  • Rails gem globally installed
• A command line interface

Expectations:

• Setting up CI/CD with a Rails Github repo, Codeship CI/CD, and Heroku hosting
• Configure a single (staging) environment
  • Configure a secondary (prod) environment if time allows
• Encounter some errors to replicate a more realistic pipeline creation :)

Steps

1. Create a new rails app
   1. rails new devops-day --database=postgresql --T
   2. https://guides.rubyonrails.org/command_line.html#rails-new
2. Create Github repo (while waiting for rails to init)
   1. Add remote origin
3. Add a landing page
   1. Controller file and action
      1. touch app/controllers/pages_controller.rb
   2. Create template
      1. mkdir app/views/pages && touch app/views/pages/index.html.erb
      2. add text
   3. Configure root route
      1. root to: 'pages#index'
4. Create Heroku app
5. Create Codeship project
   1. Install the github app if not added yet
      1. Follow provided link or: https://github.com/apps/cloudbees/installations/new?state=codeship
   2. Give codeship permission to read your repos
      1. Follow link or: gettings/installations -> repository access
   3. Select Basic Codeship project
6. Set up CD pipeline on Codeship
   1. pipeline: https://docs.cloudbees.com/docs/cloudbees-codeship/latest/basic-continuous-deployment/deployment-to-heroku
7. Set up deployment Test Setup Commands
   1. custom or dropdown
   2. Common Errors: ruby version is not on heroku, bundler version, deadlock, etc
8. Setup Deployment steps
   1. heroku access key
9. Add Rails configuration for RSpec
10. (Optional) Add Rails configuration for Rubocop
11. Set up CI pipeline on Codeship
12. Set up test steps
13. Add codeship badge to github repo
14. Set up Production environment
15. Configure production branch
16. Create Heroku app (app-name-production)
17. Create production CI/CD pipeline