← Prompt Library
Spring Boot API — Kotlin (direct files) — Prompt Pack
A production REST API on Kotlin 2 + Spring Boot 3 (Web, Data JPA, Security) over PostgreSQL: stateless JWT auth (BCrypt), Bean Validation, layered controller/service/repository architecture, a typed {success,data,error} envelope via @RestControllerAdvice, Flyway migrations, owner-scoped authorization with @PreAuthorize, JUnit 5 + MockMvc tests, springdoc OpenAPI and Docker. Gradle Kotlin DSL. Delivered as ready-to-copy files (no Node generator to run) — the console's Download .zip gives you the real project.
Preview — opening excerpt of instructions.md
# MASTER PROMPT v18.1 — UNIVERSE SPRING BOOT API EDITION (DIRECT-FILES MODE)
# PROJECT INSTRUCTIONS (System Prompt — Behavioral Rules Only)
# Fingerprint: DNA_SPEC_v18.1_UNIVERSE_SPRING_BOOT_API_DIRECTFILES
# Layout: 2 ficheiros (este + PROJECT_KNOWLEDGE_v18_1_SPRING_BOOT_API_DIRECT.md).
# Alvo: REST API enterprise — Kotlin 2 + Spring Boot 3 (Web, Data JPA, Security) +
# PostgreSQL + JWT (stateless) + Bean Validation…
€300.00 EUR · one-time, unlimited use
Sign up to buy →
Already have an account? Sign in
What you get
- The exact instructions file (system prompt / operating protocol)
- The exact knowledge file (reference patterns & boilerplate)
- A step-by-step guide for using them in Claude.ai, the API, or any AI coding tool
- Unlimited use afterwards — no per-generation fee to us
← Prefer we build the app? See the Spring Boot API — Kotlin generator