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docuseal/docs/architecture/tech-stack.md

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Tech Stack

Existing Technology Stack

Category Current Technology Version Usage in Enhancement Notes
Backend Language Ruby 3.4.2 Core backend logic Existing version maintained
Web Framework Rails 7.x Controllers, Models, Views Existing patterns followed
Frontend Framework Vue.js 3.3.2 All three portals Composition API for new components
CSS Framework TailwindCSS 3.4.17 Custom portal styling Replacing DaisyUI for portals
UI Components DaisyUI 3.9.4 ⚠️ Legacy DocuSeal UI only Not used in new portals
Build Tool Shakapacker 8.0 Asset compilation Existing configuration maintained
Database PostgreSQL/MySQL/SQLite Latest New cohort tables DATABASE_URL configuration
Background Jobs Sidekiq Latest Email notifications, reminders Existing queue system
PDF Processing HexaPDF Latest Document generation/signing Core DocuSeal capability
PDF Rendering PDFium Latest Document preview Existing rendering engine
Authentication Devise Latest User auth + 2FA Extended for new roles
Authorization Cancancan Latest Role-based access Extended for cohort permissions
Storage Active Storage Latest Document storage Existing multi-backend support
Job Queue Redis Latest Sidekiq backend Required dependency
API Auth JWT Latest API token authentication Existing mechanism
Email SMTP Latest Notifications Existing infrastructure

New Technology Additions

No new technologies required. The enhancement leverages existing DocuSeal technology stack entirely. All new functionality will be implemented using current frameworks and libraries.

Rationale: Brownfield enhancement should minimize technology changes to reduce risk and maintain compatibility. The existing stack provides all necessary capabilities for the 3-portal cohort management system.