Database

The Micronaut Data module provides database access functionality to pre-compute queries for repository interfaces that are then executed by a thin, lightweight runtime layer. It supports the following databases:

• JPA (Hibernate) and Hibernate Reactive
• SQL (JDBC, R2DBC)
• MongoDB

Module Guides

* This guide provides an example of using the Data module. We recommend that you begin with it.

Module Documentation

Hands-on Labs

Email

The Micronaut Email module provides integration with transactional email providers including Amazon Simple Email Service (SES), Jakarta Mail, Mailjet, Postmark, and SendGrid.

Module Guides

Module Documentation

Hands-on Labs

Kubernetes

The Micronaut Kubernetes module provides integration between Micronaut and Kubernetes. It greatly simplifies Kubernetes deployments and enables you to connect several microservices using Kubernetes Service Discovery and Distributed Configuration. It provides support for the following features:

• Service Discovery
• Configuration client for config maps and secrets
• Blocking and non-blocking Kubernetes clients built on top of the official Kubernetes Java Client

Module Guides

*This guide provides an example of using the Kubernetes module. We recommend that you begin with it.

Module Documentation

Logging

The Micronaut Logging module supports several logging frameworks such as Logback and logging to various other appenders, to email, a database, or other destinations.

Module Guides

Module Documentation

Hands-on Labs

Metrics

The Micronaut Metrics module integrates Micronaut and Micrometer, enabling metrics collection for Micronaut applications.

Module Guides

* This guide provides an example of using the Metrics module. We recommend that you begin with it.

Module Documentation

Hands-on Labs

Object Storage

The Micronaut Object Storage module provides a uniform API to create, read, and delete objects in the major cloud providers:

• Amazon S3
• Azure Blob Storage
• Google Cloud Storage
• Oracle Cloud Infrastructure Object Storage

Using this API enables the creation of truly multicloud, portable applications.

Module Guides

Module Documentation

Hands-on Labs

Secret Management

The Micronaut Secrets Management module provides integration with the secret manager of the underlying cloud platform. A secret manager lets you securely store and retrieve “secrets” that shouldn’t be accessible in clear text. For example:

• Database URLs
• Usernames and passwords
• API keys
• Certificates

Module Guides

Module Documentation

Hands-on Labs

Security

The Micronaut Auth module provides functionality to authenticate with OAuth 2.0 servers, including support for the OpenID standard.

Module Guides

Module Documentation

Serverless

The Serverless module provides the functionality to run serverless functions (Functions as a Service), serverless applications, and serverless API gateways.

Module Guides

Module Documentation

Streaming

The Micronaut Streaming module provides integration with Apache Kafka. Applications built with the Streaming module can be deployed with or without the presence of an HTTP server.

Module Guides

*This guide provides an example of using the Streaming module. We recommend that you begin with it.

Module Documentation

Tracing

The Micronaut Tracing module provides integration with both Zipkin and Jaeger (via the OpenTelemetry API).

Module Guides

Module Documentation

Hands-on Labs