Building a Notion-Style Task Tracker

Build a complete multi-tenant SaaS application with authentication, organizations, and subscription billing—all using Clerk's unified platform. Learn how to create a Notion-style task tracker with role-based access control, team workspaces, and seamless subscription management in Next.js.

🚀 GitHub Repo: https://github.com/HamedBahram/multi-...
📚 Clerk Documentation: https://clerk.com/docs
🏢 Clerk Organizations: https://clerk.com/docs/guides/organiz...
💳 Clerk Billing: https://clerk.com/docs/guides/billing...

⏱️ CHAPTERS
0:00 Introduction - Multi-tenant SaaS with Clerk
2:17 Project Demo - Task Tracker Features
4:45 Setting Up Clerk Application
7:08 Enabling Organizations & Settings
8:58 Configuring Billing & Subscription Plans
11:48 Code Walkthrough - Task Board Component

📦 WHAT YOU'LL BUILD
✅ Multi-tenant task tracker SaaS app
✅ Notion-style Kanban board with projects
✅ Organization management with member invites
✅ Role-based access control (RBAC)
✅ Subscription billing with feature gates
✅ Webhook integration for data sync
✅ Real-time collaboration across orgs

🔧 KEY CONCEPTS COVERED
Multi-tenant architecture with organizations
Authentication with Clerk's drop-in components
Organization switcher & profile management
Role-based permissions and custom roles
Subscription plans with feature flags
Billing integration with checkout flow
Webhook setup for Postgres data sync
The `auth()` function for access control
`has()` function for checking permissions & subscriptions
Active organization management
Member invitations and team workspaces

💡 WHAT YOU'LL USE
✨ Clerk - Authentication, Organizations & Billing
✨ Next.js 16 - Full-stack React framework
✨ Prisma - Database ORM with Postgres
✨ Shadcn UI - Component library
✨ Kibo UI - Kanban board components
✨ Clerk Shadcn Theme - Unified design system
✨ ngrok - Local webhook testing

📚 LINKS & RESOURCES
Clerk Organizations Guide: https://clerk.com/docs/guides/organiz...
Clerk Billing Documentation: https://clerk.com/docs/guides/billing...
Clerk RBAC Guide: https://clerk.com/docs/guides/organiz...
Companion Repo: https://github.com/HamedBahram/multi-...

🎯 PERFECT FOR
Developers building B2B SaaS applications
Teams implementing multi-tenancy
Projects needing team collaboration features
Anyone adding subscription billing to apps
Learning modern authentication patterns
Migrating from separate auth/billing services

🛠️ KEY IMPLEMENTATION DETAILS
4:45 - Creating new Clerk application & API keys
5:30 - Webhook configuration for data sync
7:08 - Enabling organizations (personal vs forced)
7:40 - Organization settings, roles & permissions
8:58 - Enabling billing for organizations
9:25 - Creating subscription plans with features
11:48 - Using `auth()` for user & org context
12:15 - Implementing feature gates with `has()`
12:40 - Organization switcher component
13:10 - Pricing table drop-in component

🔥 PRO TIPS
Use `auth()` function to access userId, orgId, and session data
Check subscriptions & permissions with single `has()` function
Leverage Clerk's Shadcn theme for unified design
Webhook secrets prevent unauthorized data sync
Active org ID is key for multi-tenant queries
Feature flags on plans enable granular access control
Organization-level vs user-level billing changes architecture
Drop-in components handle complex UX automatically

🔒 MULTI-TENANT ARCHITECTURE
Users can join multiple organizations
Only one active organization at a time
All queries filtered by active `orgId`
Role-based permissions per organization
Subscriptions attached to organizations
Member invitations with role assignment

💳 BILLING FEATURES COVERED
Creating subscription plans (Pro tier)
Feature flags for access control
Pricing table component integration
Checkout flow with test cards
User vs organization billing models
Public vs private pricing plans

💬 Questions? Drop them in the comments!
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