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VulcanAI-First ERP for Craftsmen

The most beautiful, intuitive, and intelligent ERP system in the universe for construction craftsmen.

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Target Market ​

Vulcan is built for ~30,000 Swedish craftsmen companies (1-15 employees):

  • Painters, electricians, general contractors, ventilation specialists
  • Owner-led small businesses
  • B2C and small B2B projects
  • Growing companies seeking a scalable, modern platform

Why Vulcan? ​

We're replacing outdated, clunky systems that limit growth and frustrate users. Our AI-powered features provide a competitive edge that no other ERP offers.


🚀 Built in 4 Days ​

From zero to production-ready enterprise ERP in just 96 hours. Here's what we accomplished:

176
Commits in 4 Days
65K+
Lines of Code
11
Microservices
16
Repositories

The Technology Stack ​

React 19.NET 10TypeScriptPostgreSQLAzureKubernetesAzure OpenAIGitLab CI/CD

The Architecture ​

Frontend (React 19)  →  API Gateway (YARP)  →  11 Microservices  →  11 Databases
Mobile (React Native)      ↓
                    Auth Service (Better Auth)

What We Built:

  • ✅ 11 production-ready .NET 10 microservices with Vertical Slice + CQRS
  • ✅ YARP API Gateway with rate limiting and health aggregation
  • ✅ Better Auth service with multi-tenant JWT support
  • ✅ React 19 web application with TanStack Query + Redux Toolkit
  • ✅ React Native mobile app with Expo and offline-first design
  • ✅ Complete Azure infrastructure (Sweden Central, GDPR compliant)
  • ✅ 11 PostgreSQL databases, one per microservice
  • ✅ Azure OpenAI integration (GPT-4o, embeddings, Whisper)
  • ✅ GitLab CI/CD pipelines for automated deployment
Want to see the numbers? Check out the Development Metrics or read The 4-Day Sprint Story.

Ready to dive in? Check out the Introduction or explore the Architecture.

Documentation Version: v1.2.0 | Last Updated: January 15, 2026 | Auto-deployed via GitLab CI/CD

Built with VitePress | v1.2.0 | 🚀 Week One Sprint