Micronaut® Essentials

Micronaut Essentials

This 12-hour workshop arms students with everything they need to immediately start building applications using the Micronaut® framework.


The Micronaut framework is a JVM-based, full-stack toolkit for building modular, easy-to-test, low-memory-footprint applications.

Unlike reflection-based IoC frameworks which load and cache reflection data for every single field, method, and constructor in your code, with the Micronaut framework, your application startup time and memory consumption are not bound to the size of your codebase.

This revolutionary framework greatly reduces runtime overhead – in terms of memory consumption and startup time – found in traditional frameworks. This is achieved through the use of annotation processors that pre-compile all the necessary metadata and information needed to run your application ahead of time, eliminating the need for reflection and cached reflective metadata at the framework level.

This online, intensive workshop covers the Micronaut framework in depth and provides developers the knowledge and skills to quickly master the Framework and start maximizing their productivity right away.


The following topics are covered in this course.

  • Introduction to the Micronaut framework
  • Controllers
  • Compile-time dependency injection
  • Application configuration
  • Testing
  • HTTP client
  • Management endpoints
  • Validation
  • Static file resolution
  • Micronaut Data


This workshop prepares JVM developers to build fast, lightweight microservices and serverless applications. Participants should be comfortable with Java as a programming language.


Although everyone is welcome, we recommend attendees have at least a working familiarity with web development, HTTP, Java, and JVM development frameworks.

This is a live, hands-on training course. No recording of this training event will be made available for on-demand consumption.

Lab Setup

Please have the latest stable version of IntelliJ IDEA and JDK 11 installed and configured on your PATH.  

Lab exercises are conducted in IntelliJ IDEA. If you don't have the licensed version, the Community Edition will work just fine. See https://www.jetbrains.com/idea/download.  

You'll also need the latest Micronaut CLI version: https://micronaut.io/download.html

Optional: SDKMAN! https://sdkman.io

Docker is also recommended, but not required.

Check out our Micronaut Training Jumpstart for an even more comprehensive training experience.

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