Production-ready SaaS Starter Kit: Spring Boot 3.4 & Angular 21 (Full Setup)
Published: (February 16, 2026 at 04:01 PM EST)
1 min read
Source: Dev.to
Source: Dev.to
A production‑ready SaaS baseline for Java developers to save up to 200 hours of setup time.
Backend: The Fortress
- Language: Java 21 LTS (Records, Pattern Matching)
- Framework: Spring Boot 3.4.1
- Security: Spring Security 6 + Stateless JWT (RBAC: User, Admin, CEO)
- Database: MSSQL 2022 (Dockerized)
- ORM: Hibernate / Spring Data JPA
- Migrations: Flyway (schema version control)
- Payments: Stripe Java SDK (webhook signature verification)
- Testing: JUnit 5 & Mockito
Frontend: Modern & Fast
- Framework: Angular 21
- Architecture: Standalone Components (no NgModules), Signals, Typed Forms
- UI Library: Angular Material 21
- State/Async: RxJS
- Security: HttpInterceptors (token injection) & Auth Guards
Infrastructure
- Containerization: Docker & Docker Compose
- Orchestration: Single‑command setup (DB + Backend + Frontend/Nginx)
The full source code is a paid product (to support development), but the Architecture Documentation is open‑sourced in the README.
Repository:
I’d love to hear your feedback on the tech‑stack choices!