A container image bundles executable code, library, and configuration. Images contain everything an application needs to run. It is a best practice to exclude any file that’s unnecessary for the application packaged in the image. …

Cert-manager is an open-source certificate management solution for Kubernetes clusters. It automates the issuance, renewal, and management of SSL/TLS certificates within a Kubernetes environment. Cert-manager is crucial in securing communication between services, encrypting HTTP traffic, and establishing secure connections to external systems. Cert-manager integrates with popular certificate authorities (CAs) such…

Photo by Pawel Czerwinski / Unsplash Machine learning (ML) workloads require tremendous amounts of computing power. Of all the infrastructure components that ML applications require, GPUs are the most critical. With their parallel processing capabilities, GPUs have revolutionized domains like deep learning, scientific simulations, and high-performance computing. But not all…

Photo by David Mullins / Unsplash The Kubernetes community is getting ready for yet another major change. Until the fall 2022, k8s.gcr.io container registry hosted many Kubernetes community-managed container images like Cluster Autoscaler, metrics-server, cluster-proportional-autoscaler. The "gcr.io" is Google Cloud Registry. …

Chris Miller’s biography of semiconductors appears on the bookshelves amid wars in Ukrain and Syria, tensions in South China Sea, and a period of political turmoil with price of bread skyrocketing in Europe. Earlier in 2022, the Biden government committed $52 billion in subsidies to build new chip factories in…

Many organizations are happy to standardize their infrastructure platform on Kubernetes. Kubernetes gives engineers a consistent platform across cloud providers and on premises. It abstracts underlying infrastructure so engineers can focus on writing code without having tight-coupling with methods for load balancing, observability, configuration, secrets management. I frequently speak with…

Photo by Sushobhan Badhai / Unsplash Accepting feedback with grace plays a key role in building long lasting productive relationships. Humans are social creatures and feedback fuels our psyche. We nod when we see our colleagues in the hallway. Sometimes multiple times a day. …

Everybody knows eBPF is fast, but how? — The Berkeley Packet Filter (BPF or eBPF) is a virtual machine based on registers, initially designed for filtering network packets, best known for its use in tcpdump. In this post, we learn what is exactly that makes BPF so appealing for a number of use cases. Introduction BPF programs are…

Which application metrics should you track? I frequently engage with customers that are amid breaking their monolithic applications into smaller microservices. Many teams with also see this migration as an opportunity to make applications more observable. …