• There is nothing to roll back
  A transaction block looks like a unit of work and isn't. I spent years papering over that with undo stacks and callbacks. Recording facts instead turned out to be the fix.

• Simple CQRS in Ruby
  A complete CQRS + Event Sourcing system in plain Ruby — commands, events, projections, runtime upcasting, a payment/onboarding process manager, sealed secrets, multi-tenant by default — as runnable, tested source with a guided tour, plus field notes from strangling a live Rails app onto the log.

• The project execution system
  Here's a path to implement a project that executes quickly, keeps stakeholders informed, and ensures the project matches it's target.

• Building a web app from scratch fast using Vue.js and CQRS
  In this walk-through, we build a web app using Vue.js and Command-Query Responsibility Segregation. This approach is allows us to move fast – without risking technical debt.

• How to release features on-time, every-time
  A run-down of how we're using Shape Up at DNSimple to improve the quality, comfort, confidence, and pace of shipping new features.