Java · Spring · Thymeleaf · Htmx
Production-ready Spring Boot, crafted carefully.
I'm Wim Deblauwe, a software developer specialized in Java and Spring. I write books, maintain open-source projects like error-handling-spring-boot-starter, and publish practical, battle-tested articles here.
just start typing — try thymeleaf, testcontainers or htmx
New book — coming soon
Crafting Spring Boot Starters
Design, build, test, and publish auto-configuration libraries on Spring Boot. Learn the ins and outs of developing production ready Spring Boot starters.
Taming Thymeleaf
Server-side rendering with Spring Boot, step by step.
Modern frontends with htmx
Hypermedia-driven UIs with Spring Boot & Thymeleaf.
Recent posts
showing 10 of 124- Sep 20, 2021 TodoMVC with Spring Boot and Thymeleaf (Part 1) The TodoMVC project has implementations of a simple todo list application for many different frontend frameworks. The goal is that a Single Page Application is implemented in a varity of technologies to be able to compare them. I wanted to stretch the concept a bit and create a Spring Boot backend with Thymeleaf server-side rendered HTML page just to see how that could work and how it would affect the user experience.
- Sep 15, 2021 Thymeleaf iteration and fragments Iteration in Thymeleaf templates is done using th:each. But combining it with fragments can yield some surprising results. This blog post shows an overview of what can happen and common pitfalls to watch out for.
- Jul 25, 2021 Using Java 16 records with Thymeleaf Since Java 16, we can use records. This blog post shows how Thymeleaf supports this.
- May 23, 2021 Form handling with Thymeleaf This post explains in detail how you should implement a HTML form with Thymeleaf and Spring Boot.
- May 1, 2021 Error Handling Spring Boot Starter release 1.6.0 There is a new version 1.6.0 of the Error Handling Spring Boot Starter. A lot of new things have been added since I lasted blogged about version 1.2.0 of this library, so it is time for a round-up to show the new goodies.
- Apr 26, 2021 Equals and hashcode implementation considerations I always struggled with how to implement equals and hashcode, until I learned about the difference between entities and value objects.
- Apr 16, 2021 Using HTML select options with Thymeleaf This blog post will show the best way to implement a HTML <select/> to allow the user to select between one of several options.
- Mar 1, 2021 AttributeConverter vs Embeddable in JPA There are 2 choices when using Value Objects in JPA entities with Spring Boot: AttributeConverter or Embeddable. This blog post shows the differences between those and some guidelines when to use what.
- Feb 18, 2021 Error Handling Spring Boot Starter release 1.2.0 I just did release 1.2.0 of the error-handling-spring-boot-starter library. It allows now to customize how the error response is serialized to JSON.
- Feb 12, 2021 JUnit 5 test class orderer for Spring Boot The upcoming JUnit 5.8.0 will support ordering the test classes in an arbitrary way. This blog post will show how to use that to order your Spring Boot tests from unit tests over test slices to the full integration tests, so the quickest tests run first.
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