Project Setup and Initial Configuration

• Created new T3 app project named "drive-tutorial"
• Selected TypeScript, Tailwind CSS, no tRPC, Next.js app router, Drizzle ORM with SQLite initially
• Deployed early to Netlify for continuous deployment and preview environments
• Set up GitHub repository with CI/CD pipeline using GitHub Actions for type checking and linting
• Configured environment variables using T3 env validation package

UI Development with V0 and Shadcn

• Used V0 AI tool to generate initial Google Drive clone UI with mock data
• Requested dark mode, list view without sidebar, breadcrumb navigation
• Integrated Shadcn components via CLI installation
• Created file row and folder row components for displaying files and folders
• Implemented basic navigation between folders using state management

Database Setup with Single Store

• Migrated from SQLite to Single Store for production-ready database
• Configured Single Store deployment with connection pooling for better performance
• Created database schema with files and folders tables including:
  • Files: ID, name, size, URL, parent folder ID, owner ID, created_at
  • Folders: ID, name, parent folder ID, owner ID, created_at
• Added proper indexing on parent and owner ID fields for query optimization
• Used table prefixes for multi-project database sharing

Data Access Layer Architecture

• Created centralized queries.ts file for all database operations
• Separated queries from mutations for better code organization
• Implemented server-only imports to prevent client-side database access
• Used Drizzle ORM with type-safe query builders
• Added proper error handling and validation

Authentication with Clerk

• Integrated Clerk authentication service with Google OAuth
• Set up middleware for route protection and user verification
• Created signed-in/signed-out UI components
• Implemented user session management across the application
• Added environment variables for Clerk keys

File Upload with Upload Thing

• Configured Upload Thing file router with authentication middleware
• Created image uploader endpoint with file type and size restrictions
• Implemented server-side file validation and user permission checks
• Added on-upload-complete handlers for database persistence
• Extended to support all file types up to 1GB with multiple file uploads
• Integrated with existing folder structure for proper file organization

Advanced Routing and Navigation

• Implemented dynamic routes with folder ID parameters (/f/[folderId])
• Added URL-based navigation replacing client-side state management
• Created breadcrumb navigation with proper parent folder traversal
• Used Link components for proper Next.js navigation
• Added server-side validation for folder access permissions

Analytics Integration with PostHog

• Set up PostHog analytics with Next.js app router
• Configured reverse proxy routing to bypass ad blockers
• Implemented user identification and page view tracking
• Created custom event tracking for user interactions
• Added Netlify-specific configuration for proper routing

Security and Access Control

• Implemented owner-based access control for files and folders
• Added user authentication checks in server actions
• Created secure file deletion with both database and storage cleanup
• Validated user permissions before allowing uploads to specific folders
• Used Zod validation for input sanitization

User Onboarding and Homepage

• Built marketing homepage with gradient design and call-to-action
• Created sign-in flow with automatic redirection
• Implemented onboarding process for new users
• Auto-created root folder and default subfolders (documents, shared, trash)
• Added proper user flow from homepage to authenticated drive interface

Production Deployment and CI/CD

• Configured automatic deployments on Netlify with environment variables
• Set up preview deployments for pull requests
• Implemented proper build-time error handling
• Added GPG key management for secure commits
• Created production-ready environment variable management

File Management Features

• Real-time file upload with progress indication
• Automatic page refresh after successful uploads
• File deletion with permission validation
• Folder navigation with persistent URLs
• Consistent sorting and display ordering
• Responsive grid layout for file and folder display