RAILS_ENV=demo
summary
Shows how a Rails app becomes reliably demoable by building and running a single deploy that actually remembers state, not a slideshow: uses stateful fakes (WebValve-based fakes with their own DB/models), a personas DSL driven by FactoryBot to generate fresh demo users on the fly, a long-lived database instead of nightly resets, CI tests that exercise the persona flows, continuous deploys and alerts — all shipped and used successfully in production demos.
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chapters (13)
- 0:00Introduction
- 1:44Demo environment importance
- 2:46Personal background
- 5:54Early demo failures
- 9:27Isolated apps and fakes
- 12:37User onboarding redesign
- 16:49Sequence generation fix
- 18:55Continuous deployment
- 21:00Reliability in production
- 22:46Team incentives
- 23:30Expanding demo environments
- 25:19Live demo and open-source
- 26:43Q&A
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