Spring Boot 2.0: Apps & Microservices

This video provides an overview of the entire course.                           

Description of Spring Framework and the Spring Boot 2.0 subproject.                         

• Description of Spring Framework

• Description of Spring Boot 2.0

• Differences between Spring Boot and Spring Boot 2.0

Description of the build tools Maven and Gradle.                         

• Maven pom file explained

• Gradle script explained

Show how to use the http://start.spring.io Spring Initializr website.                         

• Usage of the website

• Interact with Eclipse and the REST-Service of Spring Initializr

Description of the internal and external configuration of a Spring Boot project.                         

• External configuration explained

• Internal configuration explained

• Automatic configuration as part of the internal configuration explained

Description of the Spring Boot project directory.                         

• The Spring Boot project directory

• Main Application class explained

Description of how a simple “Hello World” application is built and made runnable as a web application.                         

• Create a Spring Initializr project

• Implement a controller to handle  HTTP requests

• Create HTML template files for the Thymeleaf engine

Configuration of the Spring MVC application, regarding basics such  as paths for resources or application settings for different profiles.                         

• Create an application properties class to define an upload directory

• Create an application config class to handle our properties class

• Create a webconfig class to add further ressources

Creating the web application views and declaring the request controller to handle request calls.                         

• Create views with HTML and Thymeleaf

• Create controllers for handle requests

Creating a custom endpoint with a Spring actuator starter.                         

• Add an actuator starter

• Create a custom endpoint

• Create a simple service for the endpoint

Presentation of the spring-boot-starter-test starter.                         

• Explain the difference between unit and integration tests

• Create a unit test

• Show an integration test

The difference between REST service and SOAP web service explained.                         

• Create a new controller to handle new REST endpoints

• Add repositories to deal with the h2 in- memory database

• Add the first GET request to the new controller

An overview of available HTTP verbs in Spring.                         

• Add new request methods for post, put, and delete

• Test the methods with Postman

Showing how to set the content type to XML or JSON for requests                         

• On the server side, we introduce the produces clause

• On client side we set the content type in the header

Showing how to validate objects with Hibernate and how to implement custom exceptions.                         

• Annotate the book class with validations

• Implement custom exception, Exception Handler, and error details

• Show the result with Postman

How to integrate Swagger libraries with the project.                         

• Add a SwaggerConfig class to the other configuration classes

• Add Swagger annotations to the Controller

• Show the documentation over the browser

Explaining the difference between webflux and web MVC.                         

• Show the difference between synchronous, asynchronous, and reactive actions

• Explain the reactor library

• Show the difference in programs

Setting up a different project for reactive programming.                         

• Annotate the classes for MongoDB with  @Document

• Define the repository for MongoDB

• Add the first get request

Adding the missing methods for post, put, and delete requests.                         

• Show the difference between usual and reactive programming

• Test the methods with Postman 

Securing the reactive app with Spring Security starter.                         

• Implement the minimal security configuration for webflux

• Show the result over the browser and Postman

Overview of Spring Data.                         

• The features of Spring Data

• Understand how to connect to the database

• Steps to retrieve data

Show how to use the JdbcTemplate to create SQL statements.                         

• Add a method to our interface class and implement it

• Test it

How to use the JPARepository interface for our EBook Store.                         

• Add a method to our Book repository

• Test it

How to use the MongoDB as a non-SQL database.                         

• An example of a Mongo template

• An example of a Mongo Repository

How to add security to our EBook Store.                         

• Add the implementations of user details and user details service

• Implement the interface Web Security Configure Adapter for all the configure requests

• Explain the steps to configure thymeleaf-extras

Show how to add the starter to the pom file.                         

• Understand the property defaults

• An overview of the possible settings

Show how automatic restart works.                         

• Test the automatic restart property

• Test the live reload property

Show how remote, debug and update works.                         

• Test the remote update

• Restart and debug

• Show how to set global settings for all apps.

Show the usage of TestRestTemplate.                         

• An example of TestRestTemplate for our EBook Store

Explain what @WebMvcTest can do.                         

• Examples of @WebMvcTest in our EBook Store

Explain what @DataJpaTest can do.                         

• Show an example of @DataJpaTest for our EBook Store

Explain what @MockBean can do.                         

• Show an example of @MockBean for our store