Introduction to Spring Boot 2 – 3 Days

Course Description – Introduction to Spring Boot 2

As the Spring framework has grown, creating and configuring Spring applications has become more and more complex. Spring Boot takes an “opinionated” view of an application (via intelligent defaults) that minimizes configuration and boilerplate Spring code. Spring Boot makes it easier to use Spring’s many frameworks, and adds advanced capabilities such as health monitoring.

This course introduces Spring Boot from the ground up, including overviews of building blocks such as maven. It covers the key features and capabilities of Spring Boot, and teaches experienced Spring developers the skills they need to use Spring Boot productively.

This course covers Spring Boot 2 and Spring 5 – the current releases of these frameworks.

The standard platform does all labs with the Eclipse IDE, and the lab instructions include detailed directions for setting up and using it. The course can be made available for all major development environments, including IBM RAD and IntelliJ.

What You Will Learn

Get an overview of Spring Core (focus on @Configuration) and maven/gradle – building blocks for Spring Boot
Understand the needs that Spring Boot fulfills
Use Spring Boot starters and start.spring.io to easily create new applications
Understand and use Spring Boot’s auto-configuration
Customize your application configuration
Understand and use Spring Boot’s Spring Data / Spring Data JPA capabilities
Understand and use Spring Boot’s Web capabilities (focusing on Spring REST), including embedded servlet containers
Be familiar with Spring Boot Data REST
Use Spring Security with Spring Boot
Understand and use Spring Boot’s Actuator
Use Actuator endpoints to monitor and manage applications
Be familiar with and work with Spring DevTools
Be familiar with the Spring CLI

Outline

Session 1: Spring Configuration Overview

Spring Review – XML and @Component
Dependency Injection
Java-based Configuration (@Configuration)
Integrating Configuration of Different Types

Session 2: Introduction to Spring Boot

Brief maven Overview
Intro to Spring Boot – What is Spring Boot and What It Does
Spring Boot Hello World / SpringApplication
SpringBootApplication / CommandLineRunner / ApplicationRunner

Session 3: Configuration and Customization

Working with Properties – YAML and .properties
Logging and its Configuration
Spring TestContext Framework
Auto-configuration Overview
Customization

Session 4: Spring Boot Database Support

Basic Auto-configuration – Datasource and Pooling
Configuration Properties
Spring Boot’s JPA Support – spring-boot-starter-data-jpa
Spring Boot Data (with Data-JPA in Detail)
Using Spring Boot Data – CrudRepository/JpaRepository
Defining Queries with Spring Boot Data

Session 5: Spring Boot Web/REST and Security

DispatcherServlet Review
Web Starters and Configuration spring-boot-starter-web
Using Embedded Servers (Tomcat, Netty)
Deploying to an External Server
Spring Security Overview (Web)
spring-boot-starter-security – Auto-configuration and Customization
Spring Boot Data Rest – Generated Web Services from Repositories

Session 6: Actuator and Devtools:

Actuator Overview and Capabilities
Actuator Endpoints
Custom Actuators and Health Checks
Devtools Overview
Other Tools and Features

Session 7: Spring Boot CLI

Overview and Capabilities
Grabbing / @Grab
Other Capabilities

Hands-on: Minimum 50% hands-on labs

Supported Platforms: Spring Boot 2 / Spring 5, Eclipse, Can be supported on other environments with advance notice.

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