🛠️ 2025-08-29 Tech Update Summary

🔹 Kubernetes - Kubernetes v1.34: User preferences (kuberc) are available for testing in kubectl 1.34

The tech blog post introduces the beta release of user preferences, or “kuberc,” for kubectl as part of Kubernetes v1.34. This new feature allows users to set default options and create aliases for kubectl commands, enhancing usability and customization. By placing a “kuberc” file in the default kubeconfig directory or specifying its location, users can set defaults like enabling interactive deletion or using Server-Side Apply by default. The feature also supports defining command aliases, helping to streamline command execution. The post encourages users to explore the new functionality, report issues, and participate in community discussions to provide feedback and suggest improvements. 👉 Read more

🔹 Spring Boot - A Bootiful Podcast: JobRunr founder Ronald Dehuysser on what’s new in version 8

In the podcast titled “A Bootiful Podcast: JobRunr founder Ronald Dehuysser on what’s new in version 8,” the host engages with Ronald Dehuysser, the founder of JobRunr, to discuss the latest updates in JobRunr version 8.0.0. The conversation takes place shortly after the SpringOne 2025 event and explores the new features and improvements in the latest release of JobRunr. For more detailed information, listeners are encouraged to visit the JobRunr blog. 👉 Read more

🔹 Docker - Secure by Design: A Shift-Left Approach with Testcontainers, Docker Scout, and Hardened Images

The blog post discusses how software development teams can maintain high standards of quality and security while accelerating delivery using a “shift-left” approach. This approach involves incorporating security measures early in the development process. The post highlights tools like Testcontainers, Docker Scout, and hardened images, which help teams build, ship, and update software quickly without compromising on security. These tools enable developers to integrate security practices throughout the development cycle, ensuring that products are both high-quality and secure from the outset. 👉 Read more

🔹 Java - Ahead-of-Time Computation #RoadTo25

The blog post discusses the growing importance of application startup and warmup times in assessing overall performance. Project Leyden aims to tackle these issues by developing an Ahead-of-Time (AOT) Cache for the JVM, which would enhance these performance metrics. The post also includes a video where Billy from ACME Soft explains their plans to integrate AOT computation into their development process. 👉 Read more

🔹 Golang - Testing Time (and other asynchronicities)

The blog post “Testing Time (and other asynchronicities)” delves into the challenges and strategies of testing asynchronous code. It introduces and explores the testing/synctest package, which is designed to aid in testing such code effectively. The discussion is based on the presentation from GopherCon Europe 2025, sharing insights and techniques to handle asynchrony in testing environments, ensuring code reliability and performance. The post provides valuable information for developers looking to improve their testing practices for asynchronous applications. 👉 Read more

🔹 Helm - Helm @ KubeCon + CloudNativeCon EU ‘25

The blog post announces the Helm team’s participation in KubeCon + CloudNativeCon EU 2025, taking place in London from April 1st to 4th. Attendees can learn about the upcoming Helm 4 by engaging with the maintainers during talk sessions and visiting the Helm booth in the Project Pavilion. The post encourages participants to join the conversation and provides more details on Helm-related activities throughout the event. 👉 Read more