Geeky HackerA category for Spring and Spring Boot related articles.
Spring Boot 3.1 has Docker Compose support. This feature enhances the development experience and removes the overhead of managing containers and ports. With the 3.1 release, Spring Boot automatically detects the random port numbers assigned by the Docker host and sets them in the application at runtime without any configuration or code changes. This article […]
Spring Boot actuator allows changing an application log at runtime at a granular level. In this article, we cover how to change a Spring Boot application log level at runtime with the actuator endpoint. The prerequisite for changing the log level at runtime is to expose the logger actuator. We do that by adding the […]
Sometimes, debugging an application locally is insufficient to pinpoint the underlying issue. Additionally, there are times when the infrastructure limitations do not allow one to debug an application. In such scenarios, remote debugging is a reasonable approach. However, that requires some preparations. In this article, we cover how to remote debug a Spring Boot application […]
Previously, we covered how to disable Swagger-ui in production using the SpringFox Swagger2 library. Unfortunately, that library is unmaintained and it is no longer possible to use it with the latest versions of Spring Boot. The best drop-in replacement option is the Springdoc-openapi library which we covered how to use in our Spring Boot Swagger […]
Running tests against a real database provides more confidence in comparison to an in-memory database such as H2. For that, the Testcontainers library is a wise choice as it provides an out-of-the-box solution to write and run integration tests against an actual database of your choice running in a Docker container. In this tutorial, we […]
New versions of Spring Boot provide easy ways to build Docker images without using any third-party libraries or services such as Spotify Maven plugin or Jib. In this tutorial, we cover how to build Docker images in Spring Boot 3. The good old dockerfile approach The most common approach to building a Docker image is […]
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