All posts in " spring boot "
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Spring Boot MySQL Configuration

By Daniel Vladimirov / 6 months ago

Setting up a MySQL connection with Spring Boot is fairly easy and very straightforward. This tutorial will set up a basic MySQL connection in Spring Boot, using anĀ application.yml configuration file. Most of the work for getting a MySQL connection is done behind the scenes. What is left for you is to just configure your connection, […]

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Spring Boot External Configuration

By Daniel Vladimirov / 6 months ago

Spring Boot offers a variety of ways for you to externalize the application configuration, so that you can run your service in different environments and with different setup. The most popular configuration options are: property files and YAML files. There’s also the option to pass command line properties as well as to use environment variables. […]

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Spring REST Request Body Validation

By Daniel Vladimirov / 6 months ago

@RequestBody validation is important for your REST APIs, because it protects your service layer from bad input and prevents a bad request to ever reach your business logic. User input validation in Spring is not hard to implement, because of the built-in support for JSR-303 bean validation, which makes it quite straightforward for most cases […]

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Handle POST and PUT requests with Spring Boot

By Daniel Vladimirov / 6 months ago

In this tutorial we’ll handle POST and PUT requests sent to our server, we’ll create and update entities and use in-memory data structures to represent our database.   POST and PUT are one of the most common HTTP methods, usually used for creating and modifying data on the target server, which is also the main […]

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Handling GET requests with Spring Rest

By Daniel Vladimirov / 6 months ago

In this tutorial you’ll build a simple web application, or use the tutorial in an existing project, that handles GET HTTP requests with and without path variables.   GET is one of the HTTP methods defined in the Hypertext Transfer Protocol. GET methods are used to retrieve data in a client-server based communication. The GET […]

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How to change the Spring Boot container – Tomcat to Undertow

By Daniel Vladimirov / 6 months ago

In this tutorial we are going to look at how we can easily change our embedded servlet container in our Spring Boot web application. If you don’t have any source code to work on, I’m going to use the same application we created in the previous article, which you can check out here https://simplyprogram.com/how-to-create-a-simple-web-application-with-spring-boot/ For […]

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How to create a simple web application with Spring Boot

By Daniel Vladimirov / 6 months ago

In this quick tutorial we are going to start up a Spring Boot application and configure a single and very simple controller that will respond to a GET request and greet the user with a message. There is very little time involved in initially setting up Spring Boot for development, which is one of the […]