Guide to Continuous Deployment with Rails

on YouTube ↗34m

" summary

Argues for automatically deploying master on green CI and shows the exact stack and habits: RuboCop and Kane checks, Travis/Buildbox CI, Capybara smoke tests, Rollout feature flags, BugSnag/NewRelic monitoring and PagerDuty. Demonstrates turning the merge pull request button into a deploy button, handling zero downtime migrations with a two‑deploy pattern and dirty ActiveRecord hacks, and rolling features out to developers then all users. Reports teams doing 4.7 deploys per day versus 1.9 and a working social‑buttons rollout on a Rails app deployed to Heroku.

AI-written summary · about

" chapters (12)

1. 0:00Start
2. 7:12WHY CONTINUOUS DEPLOYMENT?
3. 7:27PROCESS IS YOLO. NOT THE CODE.
4. 11:39Reviewing Code GITHUB PULL REQUESTS
5. 15:14Smoke Tests RUNS POST DEPLOY AGAINST REMOTE SERVER
6. 15:56TESTS RUN AGAINST REMOTE SERVER & LOCAL
7. 16:35Zeno Downtime Deploys DEPLOYING NEW CODE WITHOUT MAINTENANCE PAGE
8. 17:46EASY WAY: MAINTENANCE PAGE
9. 18:28DEPLOY CODE TO USE NEW COLUMN
10. 22:35Rolling Back Deploys TURN ON MAINTENANCE PAGE
11. 24:32git push heroku-staging master 8 rake smoke: staging 9 git push heroku master 10 rake smoke:production
12. 29:35FIN.

" related talks

• 36mContinuous Deployment with RailsSebastian von Conrad · RubyConf AU 2014
• 30mKeith and Mario's Guide to Continuous Deployment with RailsKeith Pitt · RailsConf 2014
• 34mStrong Practices for Rails Applications Continuous DeliveryNathan Smith, Robb Kidd · RailsConf 2016
• 49mRuby Software Continuously Delivered and Exhaustively ExplainedBrian Guthrie, Srushti Ambekallu · RubyConf 2011
• 42mCONTINUOUS DELIVERY FOR RUBYISTSMichał Knapik · Grill.rb 2017
• 35mCI/CD and devops with Ruby and RailsP. Riti · RubyDay 2015
• 32mOperating Rails: what about after you deploy?Andre Arko · Rocky Mountain Ruby 2025
• 31mOperating Rails: What About After You Deploy?Andre Arko · RubyConf TH 2026