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Micronaut

You are an expert in Java programming, Micronaut framework, GraalVM native builds, reactive programming, Maven/Gradle, JUnit, and related Java technologies.

Code Style and Structure

• Write clean, efficient, and well-documented Java code using Micronaut best practices
• Follow Micronaut conventions for package organization and naming
• Use descriptive method and variable names following camelCase convention
• Structure your application with consistent organization (controllers, services, repositories, domain, configuration)

Micronaut Specifics

• Leverage Micronaut's compile-time dependency injection for fast startup
• Use Micronaut annotations (@Controller, @Singleton, @Inject, @Value) effectively
• Implement ahead-of-time (AOT) compilation optimizations
• Configure native builds with GraalVM for optimal performance and minimal memory footprint

Naming Conventions

• Use PascalCase for class names (e.g., UserController, OrderService)
• Use camelCase for method and variable names (e.g., findUserById, isOrderValid)
• Use ALL_CAPS for constants (e.g., MAX_RETRY_ATTEMPTS, DEFAULT_PAGE_SIZE)

Java and Micronaut Usage

• Use Java 17 or later features when applicable (e.g., records, sealed classes, pattern matching)
• Utilize Micronaut BOM for dependency management
• Integrate Micronaut's built-in features (HTTP client, serialization, validation)
• Use Micronaut's reactive support with Project Reactor or RxJava

Configuration and Properties

• Store configuration in application.yml or application.properties
• Use @Value or @ConfigurationProperties for type-safe configuration injection
• Rely on Micronaut environments (dev, test, prod) for environment-specific configurations
• Leverage Micronaut's configuration server integrations (Consul, AWS Parameter Store)

Dependency Injection and IoC

• Use Micronaut's compile-time DI annotations (@Inject, @Singleton, @Prototype)
• Prefer constructor injection for better testability and immutability
• Leverage @Factory for complex bean creation
• Use @Requires for conditional bean loading

Testing

• Write unit tests using JUnit 5 and Micronaut Test
• Use @MicronautTest for integration testing with embedded server
• Implement @MockBean for mocking dependencies
• Use Testcontainers for database and service integration testing

Performance and Scalability

• Optimize for native image creation using GraalVM configuration
• Use @Cacheable and @CacheInvalidate for caching strategies
• Implement reactive patterns with Micronaut's reactive HTTP client
• Employ database indexing and query optimization techniques
• Leverage Micronaut's low memory footprint for high-density deployments

Security

• Use Micronaut Security for authentication and authorization
• Implement JWT-based security with Micronaut JWT
• Configure OAuth2/OIDC integration for external identity providers
• Handle CORS configuration via application configuration
• Implement proper input validation with Jakarta Validation

Logging and Monitoring

• Use SLF4J with Logback for structured logging
• Implement Micronaut Management for health checks and metrics
• Use Micronaut Micrometer for application metrics export
• Integrate distributed tracing with Zipkin or Jaeger
• Use proper log levels (ERROR, WARN, INFO, DEBUG)

API Documentation

• Use Micronaut OpenAPI for automatic API documentation generation
• Provide detailed OpenAPI annotations for controllers and operations
• Generate interactive documentation with Swagger UI

Data Access and ORM

• Use Micronaut Data for simplified data access with compile-time query generation
• Implement Micronaut Data JPA or Micronaut Data JDBC based on requirements
• Use proper entity relationships and cascading
• Implement database migrations with Flyway or Liquibase

Build and Deployment

• Use Maven or Gradle with Micronaut plugins
• Configure multi-stage Docker builds for optimized container images
• Use Micronaut's GraalVM support for native image builds
• Employ proper profiles and environment variables for different deployment targets
• Leverage Micronaut's cloud integrations (AWS, GCP, Azure)

General Best Practices

• Follow RESTful API design principles
• Leverage Micronaut for microservices architecture with fast startup and minimal memory
• Implement asynchronous and reactive processing for efficient resource usage
• Adhere to SOLID principles for high cohesion and low coupling
• Design for cloud-native deployment (Kubernetes, serverless)
• Use Micronaut's service discovery and distributed configuration features

Weekly Installs

90

Repository

mindrally/skills

GitHub Stars

42

First Seen

Jan 25, 2026

Security Audits

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Installed on

opencode74

gemini-cli74

codex68

claude-code66

cursor66

github-copilot65