🛠️ 2025-05-31 Tech Update Summary

🔹 Kubernetes - Kubernetes v1.33: In-Place Pod Resize Graduated to Beta

The blog post announces that the in-place Pod resize feature in Kubernetes, which allows CPU and memory resources to be adjusted for running containers without needing a restart, has graduated to Beta and will be enabled by default in Kubernetes v1.33. This advancement enhances resource management by reducing disruption, improving resource utilization, and enabling faster scaling. Since its alpha release in v1.27, the feature has undergone significant improvements, including user-facing changes such as the introduction of a resize subresource, better status reporting, and support for resizing sidecar containers. Stability and reliability have been enhanced through refined resource management, improved checkpointing, and faster resize detection. The next steps include further stabilization, addressing limitations, integrating with VerticalPodAutoscaler, and gathering user feedback. Users can start experimenting with this feature in v1.33 and are encouraged to provide feedback through Kubernetes communication channels. 👉 Read more

🔹 Spring Boot - Spring Cloud 2025.0.0 (aka Northfields) has been released

The blog post announces the release of Spring Cloud 2025.0.0, also known as Northfields, which is now generally available. This release is compatible with Spring Boot 3.5.0 and can be accessed via Maven Central. Notable changes in this release include updates and new features across various Spring Cloud components such as Spring Cloud Gateway, Spring Cloud Config, Spring Cloud Kubernetes, Spring Cloud Circuitbreaker, and Spring Cloud Netflix. Specific changes include new support for spring-cloud-function and spring-cloud-stream in Spring Cloud Gateway, deprecation of old module names, and migration to new property prefixes. The release also includes updates to other modules like Spring Cloud Config, Spring Cloud Build, and others, with versions updated to 4.3.0 or 3.3.0. Users are encouraged to provide feedback through GitHub, Gitter, Stack Overflow, or the social platform X. The post also provides instructions for getting started with Maven and Gradle. 👉 Read more

🔹 Docker - Introducing Docker Hardened Images: Secure, Minimal, and Ready for Production

The blog post introduces Docker Hardened Images, which are designed to be secure, minimal, and ready for production use. Docker has always aimed to help developers build, share, and run software efficiently and securely. Docker Hub, a platform for software delivery, operates on a global scale with over 14 million images and more than 11 billion pulls each month. This extensive usage provides Docker with valuable insights into modern software development practices. The hardened images are part of Docker’s ongoing commitment to enhance security and reliability in software distribution and deployment. 👉 Read more

The Inside Java Newsletter for May 2025 marks the celebration of Java’s 30th anniversary and begins sharing content from the JavaOne 2025 event. This edition features podcast interviews, community news, and the latest technical videos to keep developers informed about new Java innovations. Future issues will provide more information about a new website aimed at teaching Java to students and teachers. Produced by the Java Developer Relations team, the newsletter showcases technical content from the Java Platform Group and encourages readers to explore the archives, subscribe, and share with others. 👉 Read more

🔹 Golang - Go Cryptography Security Audit

The blog post titled “Go Cryptography Security Audit” discusses the evaluation of Go’s cryptography libraries by Trail of Bits. The audit aimed to assess the security and reliability of these libraries. The post likely details the findings, recommendations, and any improvements made as a result of the audit, highlighting the commitment to ensuring robust cryptographic practices in Go. For further details, the full post can be accessed through the provided link. 👉 Read more

🔹 Helm - Helm @ KubeCon + CloudNativeCon EU ‘25

The blog post announces that the Helm team will be attending KubeCon + CloudNativeCon EU 2025 in London, UK, from April 1-4. They are preparing to release Helm 4 later in the year and invite attendees to engage with Helm maintainers during talk sessions and visit their booth in the Project Pavilion. The post provides further details on all Helm-related activities planned for the week. 👉 Read more