Buildasaasappinrails

A 400+ page book and accompanying codebase that teaches how to build a paid SaaS application in Rails 8, showing how authentication, billing, background jobs, email, webhooks, real-time UI and deployment fit together in one working system instead of in isolation. It is for individual developers and small teams building SaaS products who need a practical end-to-end implementation reference. Delivered as a digital book in PDF, ePub and MOBI with complete and chapter-by-chapter source code, exercises, cheat sheets and sample chapters sent by email.

Key features

• Accounts and team management
• Authentication and invitations
• Stripe subscriptions and webhooks
• Background jobs with Active Job
• Solid Queue processing
• Product email sending and receiving
• Real-time UI with Hotwire and Turbo
• GitHub OAuth integration
• API access and application events
• Performance tuning and caching
• Pagination and encryption
• Deployment with Kamal 2
• Deployment with Hatchbox or Heroku
• Error reporting setup