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Cloud Native Technology Community

The Cloud Native Technology Community, part of the CNBPA Cloud Native Technology Practice Alliance, focuses on evangelizing cutting‑edge cloud‑native technologies and practical implementations. It shares in‑depth content, case studies, and event/meetup information on containers, Kubernetes, DevOps, Service Mesh, and other cloud‑native tech, along with updates from the CNBPA alliance.

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Latest from Cloud Native Technology Community

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Cloud Native Technology Community

Sep 19, 2023 · Cloud Native

Understanding Kubernetes Validating Admission Policies with Practical Examples

This article explains how Kubernetes Admission Controllers work, introduces the new Validating Admission Policies feature that uses CEL for native policy enforcement, and provides a step‑by‑step demonstration with YAML and kubectl commands showing how to limit deployment replicas in a namespace.

Admission Controllercloud-nativepolicy-management

0 likes · 9 min read

Understanding Kubernetes Validating Admission Policies with Practical Examples

Cloud Native Technology Community

Sep 15, 2023 · Cloud Native

Understanding Kubernetes User Namespaces and Their Evolution in v1.28

This article explains the fundamentals of Kubernetes user namespaces, their support evolution from v1.25 to v1.28, security benefits, runtime requirements, a high‑severity CVE demonstration, and upcoming integration with Pod Security Standards, providing practical guidance for cloud‑native deployments.

Cloud NativePod Securitycontainer security

0 likes · 7 min read

Understanding Kubernetes User Namespaces and Their Evolution in v1.28

Cloud Native Technology Community

Sep 14, 2023 · Cloud Native

Migrating Legacy Applications to the Cloud: Refactor or Containerize with Automated Software Intelligence

The article examines how enterprises can assess and migrate thousands of legacy applications to the cloud, comparing refactoring versus containerization, and highlights the use of automated software‑intelligence tools to create a migration roadmap and meet tight deadlines.

Cloud Nativecloud migrationcontainerization

0 likes · 7 min read

Migrating Legacy Applications to the Cloud: Refactor or Containerize with Automated Software Intelligence

Cloud Native Technology Community

Sep 12, 2023 · Cloud Native

Inside Kubernetes Scheduler: How the SchedulingQueue and PriorityQueue Work

This article provides an in‑depth analysis of the Kubernetes scheduler's queue subsystem, detailing the internal data structures, heap implementation, priority queue logic, and the lifecycle methods that add, activate, update, and remove Pods from active, backoff, and unschedulable queues.

Cloud NativeGoKubernetes

0 likes · 29 min read

Inside Kubernetes Scheduler: How the SchedulingQueue and PriorityQueue Work

Cloud Native Technology Community

Sep 7, 2023 · Information Security

Kubernetes Security Testing: Importance, Methods, and Best Practices

This article explains why security testing is critical for Kubernetes clusters, outlines key testing approaches such as SAST, DAST, container image scanning, configuration audits, and network policy testing, and provides practical steps for integrating these methods into CI/CD pipelines to ensure robust cloud‑native security.

Configuration AuditContainer ScanningDAST

0 likes · 9 min read

Kubernetes Security Testing: Importance, Methods, and Best Practices

Cloud Native Technology Community

Sep 6, 2023 · Cloud Native

What the Kubernetes Package Repo Migration Means for Your Clusters

Kubernetes is moving its Debian and RPM package repositories to the community‑owned pkgs.k8s.io domain, deprecating the old apt.kubernetes.io and yum.kubernetes.io sources, and the article explains the timeline, impact on end users and distributors, and step‑by‑step migration guidance.

KubernetesLinuxMigration

0 likes · 11 min read

What the Kubernetes Package Repo Migration Means for Your Clusters

Cloud Native Technology Community

Sep 5, 2023 · Cloud Native

Why Kubernetes 1.28 Finally Makes Sidecars First‑Class Citizens

This guide explains what sidecars are in Kubernetes, why they matter, the challenges they introduce, and how the new sidecar KEP in Kubernetes 1.28—introducing an Always RestartPolicy for init containers—formalizes sidecars as first‑class API objects, reshaping service‑mesh implementations and operational practices.

Cloud NativeInit ContainerKubernetes

0 likes · 18 min read

Why Kubernetes 1.28 Finally Makes Sidecars First‑Class Citizens

Cloud Native Technology Community

Aug 31, 2023 · Cloud Native

Restartable Init Containers as Sidecar Feature in Kubernetes 1.28

This article explains the new sidecar feature in Kubernetes 1.28 that adds a restartPolicy field to init containers, describes its behavior, provides usage examples, discusses when to adopt it, outlines migration steps, lists known issues, and invites community feedback.

AlphaFeatureCloudNativeInitContainer

0 likes · 11 min read

Restartable Init Containers as Sidecar Feature in Kubernetes 1.28

Cloud Native Technology Community

Aug 29, 2023 · Cloud Native

Mixed Version Proxy in Kubernetes 1.28: Overview, Operation, and Enablement

The mixed version proxy, introduced as an alpha feature in Kubernetes 1.28, enables correct handling of HTTP requests across clusters with multiple API server versions by routing requests to a compatible peer, preventing 404 errors during upgrades and providing flags for configuration and security.

API ServerFeature GatesKubernetes

0 likes · 6 min read

Mixed Version Proxy in Kubernetes 1.28: Overview, Operation, and Enablement

Cloud Native Technology Community

Aug 24, 2023 · Information Security

Security Risks of Exposing Private Keys in Istio Service Mesh and Mitigation Approaches

The article analyzes how private keys for workloads uploaded via Istio Ingress gateways can be exposed in plaintext, stored in memory, and extracted using tools like OpenSSL and GDB, and discusses mitigation strategies such as Intel SGX‑based protection.

IstioPrivate KeySecurity

0 likes · 8 min read

Security Risks of Exposing Private Keys in Istio Service Mesh and Mitigation Approaches