Building a Production-Grade Registration Module for Laravel SaaS — The Complete Breakdown

The Problem Every SaaS project starts the same way. You scaffold authentication, wire up OAuth, handle email verification, build avatar logic, and set up session tracking. Then you do it all over again for your next project. After my fourth SaaS project in three years, I decided to stop copy-pasting and start extracting. LaraFoundry is a modular SaaS engine I'm building in public - extracted from Kohana.io , a production CRM/ERP system. Every module is battle-tested with real users before it's packaged. This article is a complete technical breakdown of the first module: Registration . What's Inside The Registration module isn't just "create user + hash password." Here's what it handles: Multi-provider authentication - Form + OAuth2 (Google, Facebook, Twitter) Smart avatar system - Gravatar detection with generated fallback Session & device tracking - Full device fingerprinting on every login Auth event logging - 7 events logged automatically from Day 1 Team onboarding - Company invitat