Hi Spring fans! Welcome to another installment of This Week in Spring! This week I am in Seoul talking to developers about the latest-and-greatest in Spring Boot 3! There's so much great stuff coming, and so much great stuff already. There are a few things I'm super excited about.

First, yesterday I did a joint presentation with my friend the one the only the amazing Trustin Lee, creator of Netty and lead of the Armeria Project over at LINE corporation. LINE is a super popular social messaging application used a lot in Korea and in Japan. It was a ton of fun collaborating with, and copresenting with, him.

Next, I'm elated that I'm going to be presenting at the Seoul SpringOne Tour on June 28th (tomorrow!), 2023! Come join me and we'll look at Spring Boot 3!.

Relatedly, I'll also be doing a SpringOne Tour event in Singapore on July 4th at 09:30! Come join us and we'll see how Spring Boot 3.1 and TAP take you to production faster!

Now then, we've got a lot to get into so let's dive right in!

• A Bootiful Podcast: Micrometer lead Tommy Ludwig
• Automatically spin up a Docker Compose environment for your local and integration test environment with Spring Boot 3.1.0+
• Docker Compose Support in Spring Boot 3.1
• Improved Testcontainers Support in Spring Boot 3.1
• Spring Modulith 1.0 M1 released
• they updated the getting started with Spring Boot and Kotlin article here
• I love this blog on getting started with Spring Boot and Auth0
• Baeldung updated their Spring Boot Security Auto-configuration explainer
• This is kind of an interesting exercise: how to implement a generic WebClient for all microservices with Spring's WebClient
• Jay Kim's got a nice blog looking at how to use Spring Framework 6's new declarative HTTP clients
• Baeldung has a nice blog looking at how to setup OpenTelemetry support in Spring Boot