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arbazkhan971
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spring

Harden Spring Boot applications with security, JPA, Actuator, and TestContainers configurations.

26|8|Updated Mar 19, 2026
Search Tags:#java#kotlin#spring-boot#testcontainers#actuator#spring-security#data-jpa
One-click install
npx skills add https://github.com/arbazkhan971/godmode --skill spring-arbazkhan971
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: spring
Source: https://github.com/arbazkhan971/godmode/tree/main/skills/spring
Command: npx skills add https://github.com/arbazkhan971/godmode --skill spring-arbazkhan971

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It removes guesswork and inconsistent practices when creating and hardening Spring Boot applications by enforcing production-safe configuration, security defaults, database correctness, observability, and reliable testing workflows.

Core Features & Use Cases

  • Enforces production-safe defaults such as disabling OSIV, validating schema migrations, and requiring constructor injection to reduce runtime bugs.
  • Guides secure Spring Security configuration with deny-by-default rules, BCrypt password strength, and method-level authorization.
  • Provides data layer best practices for JPA including LAZY associations, JOIN FETCH usage, optimistic locking, and Flyway-managed migrations.
  • Integrates Actuator and Kubernetes readiness/liveness guidance for monitoring and graceful shutdown, and prescribes TestContainers-based tests for realistic DB integration.
  • Use case: prepare a Java or Kotlin microservice for production by hardening security, fixing N+1 queries, adding migrations, and validating via CI tests.

Quick Start

Use the spring skill to harden, test, and validate the production readiness of the service named orders-service.

Frequently Asked Questions about spring

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I configure Spring Boot for production with safe JPA and security defaults?▼

Disable spring.jpa.open-in-view, set ddl-auto to validate, enforce constructor injection, and apply deny-by-default Spring Security rules with BCrypt password strength to configure Spring Boot for production.

What's the best way to fix N+1 query problems in Spring Data JPA?▼

Fix N+1 query problems in Spring Data JPA by configuring FetchType.LAZY on associations and explicitly fetching related entities using JOIN FETCH queries to optimize data-layer validation.

How do I set up TestContainers for Spring Boot database integration tests?▼

Set up TestContainers for Spring Boot database integration tests by configuring containerized database instances in your test environment to validate JPA mappings and Flyway migrations realistically.

Does this Spring Boot hardening approach work with Kotlin backend services?▼

Yes, this Spring Boot hardening approach works with Kotlin backend services. It supports both Java and Kotlin for configuring security filters, Actuator endpoints, and JPA best practices.

How do I secure Spring Boot Actuator endpoints for production monitoring?▼

Secure Spring Boot Actuator endpoints for production monitoring by applying access protections, integrating Kubernetes readiness and liveness probes, and ensuring graceful shutdown configurations.

Why should I disable open-in-view and set ddl-auto to validate in Spring Boot?▼

Disable open-in-view and set ddl-auto to validate in Spring Boot to prevent lazy loading performance issues in the view layer and avoid unexpected schema changes in production databases.

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