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Singularity

Welcome to the foundation for your next backend! Build your app with everything from authentication to content management, ready out of the box. 🚀

Save time, ensure consistency, and focus on features — whether you're building an API, microservice, or full-stack app.

⚡ Why Use This?​

  • ✅ Batteries Included: Authentication with 2FA and email verification, content management, file storage, and key rotation already set up.
  • ✅ Production-Ready by Default: All components are built with real-world usage and scalability in mind. This foundation is built on Spring Boot, ensuring a reliable, mature, and modern technology stack.
  • ✅ Open & Extensible: Contributions welcome! Let’s refine this into a toolkit others can benefit from too.

🔐 Features at a Glance​

Authentication & User Management​

  • 🔒 JWT auth with refresh tokens, 2FA, secure HTTP-only cookies.
  • 📧 Email verification with expiration and resend control.
  • 🧑‍💻 Role-based user access with custom exceptions for better error handling.

Data & Caching​

  • 💾 MongoDB for persistence, Redis for caching and session storage.
  • 🗂️ S3-based object storage abstraction with local fallback.

Content Management​

  • 🧩 Abstract base for content types with built-in access control (users, groups, roles).
  • 🌍 Multi-language support out-of-the-box — store and serve content in multiple locales.
  • 🏷️ Configurable tagging system for flexible content organization.
  • 📝 Prebuilt Article class for instant publishing workflows.

Security & Key Management​

  • 🔑 Secret manager integration with automated key rotation for your secrets.

Performance​

  • ⚙️ Kotlin Coroutines for async flows.
  • 🚦 Configurable IP and user-based rate limiting.