Best of Kubernetes — September 2025

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    Video
    Avatar of javascriptmasteryJavaScript Mastery·32w

    DevOps Full Course | Build and Deploy a Scalable Production Ready API

    A comprehensive DevOps course covering fundamentals through production deployment. Teaches Git version control, CI/CD pipelines with GitHub Actions, Docker containerization, Kubernetes orchestration, and infrastructure as code. Includes hands-on project building a production-ready API with authentication, database integration, monitoring, and security features using modern tools like PostgreSQL, Neon DB, and Arkjet.

  2. 2
    Article
    Avatar of hnHacker News·30w

    3,000,000 downloads. Thank you

    Podman Desktop celebrates reaching 3 million downloads, highlighting its journey from idea to essential developer tool. The project recently joined the CNCF Sandbox and has seen significant enterprise adoption. Recent improvements include enhanced Kubernetes workflows, better Docker compatibility, AI integration through Podman AI Lab, and expanded extension ecosystem. User feedback shows strong satisfaction with the unified container management experience and rootless container capabilities.

  3. 3
    Article
    Avatar of collectionsCollections·30w

    Key Features and Enhancements in PostgreSQL 18

    PostgreSQL 18 introduces major performance improvements including asynchronous I/O that delivers up to 3x faster storage reads, NUMA support, and IO_uring on Linux. The release adds enterprise features like OAuth 2.0 authentication, temporal constraints, and virtual computed columns. Key enhancements include better extension loading for Kubernetes deployments, improved logical replication conflict handling, UUIDv7 support, and advanced vacuum operations for large tables. The update also brings query planning improvements with skip scan lookups and enhanced Unicode collation support.

  4. 4
    Article
    Avatar of platformaticPlatformatic·30w

    Open Source Node.js Command Center Released

    Platformatic has open-sourced their Intelligent Command Center (ICC), a specialized tool designed to optimize Node.js applications running in Kubernetes. The platform addresses common issues with traditional autoscaling by monitoring Node.js-specific metrics like Event Loop Utilization and heap usage instead of generic CPU/memory metrics. ICC provides predictive autoscaling, comprehensive observability, advanced caching infrastructure, and can reduce resource usage by up to 30% while improving performance. The tool integrates with existing Kubernetes infrastructure and includes features like flamegraph profiling, cache analytics, and unified dashboards for operational visibility.

  5. 5
    Article
    Avatar of ergq3auoeReinier·32w

    DevOps Full Course | Build and Deploy a Scalable Production Ready API

    A comprehensive crash course covering essential DevOps practices including version control with Git and GitHub, continuous integration and deployment pipelines, containerization with Docker, orchestration with Kubernetes, infrastructure as code, and API deployment automation. The course provides hands-on experience building and deploying scalable production-ready applications.

  6. 6
    Article
    Avatar of bytebytegoByteByteGo·32w

    EP179: Kubernetes Explained

    Kubernetes fundamentals are explained including control plane components (API Server, Scheduler, Controller Manager, etcd) and worker nodes (Pods, Container Runtime, kubelet, kube-proxy). Docker best practices cover using official images, specific versions, multi-stage builds, .dockerignore, least privileged users, environment variables, caching optimization, labeling, and security scanning. Caching strategies are detailed across multiple layers from browser cache and CDN to distributed cache, databases, and messaging infrastructure. Additional topics include N8N vs LangGraph comparison for AI workflow automation.

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    Article
    Avatar of platformaticPlatformatic·30w

    Node.js on Kubernetes: Unveiling Myths and Costs

    Running Node.js on Kubernetes presents significant challenges due to fundamental mismatches between Node.js's lightweight, event-driven architecture and Kubernetes' resource allocation model. Common myths include believing autoscaling works seamlessly out-of-the-box, when in reality scaling delays can cause performance issues during traffic spikes. The rigid CPU/memory request/limit system forces teams to choose between costly overprovisioning or risky underprovisioning. To optimize Node.js in Kubernetes, teams should use smarter scaling signals like event loop lag, implement finer-grained resource strategies, reduce scaling reaction times, treat cost as a first-class metric, and recognize that Node.js requires different management approaches than traditional JVM applications.

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    Article
    Avatar of k8sKubernetes·32w

    Kubernetes v1.34: Use An Init Container To Define App Environment Variables

    Kubernetes v1.34 introduces a new alpha feature that allows containers to load environment variables from files generated by init containers, eliminating the need for ConfigMaps and Secrets in certain scenarios. The EnvFiles feature gate enables loading environment variables from files in emptyDir volumes using the fileKeyRef field, simplifying configuration management for vendor-supplied containers and reducing API complexity. While the feature offers a cleaner approach to environment variable management, it requires careful security considerations since sensitive data stored in emptyDir volumes could be accessible to operators with node filesystem access.

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    Article
    Avatar of metalbearMetalBear·31w

    MetalBear raises $12.5m to make cloud software development 100x faster

    MetalBear secured $12.5M in seed funding led by TLV Partners to advance mirrord, a development tool that enables developers to test cloud applications locally in seconds rather than hours. The tool works by intercepting system calls at the C standard library level, allowing local code to run with the context and dependencies of production cloud environments. Companies like SurveyMonkey and zooplus report significant productivity gains, with some seeing 50% faster time-to-ship and 20% developer time savings. The fully remote team of 25 people across 15 countries plans to expand mirrord's capabilities and ease of adoption.

  10. 10
    Article
    Avatar of spaceliftSpacelift·32w

    GitOps vs Infrastructure as Code (IaC): Differences & Overlaps

    GitOps and Infrastructure as Code (IaC) are complementary but distinct practices. IaC focuses on defining infrastructure through code, while GitOps governs how that infrastructure is continuously deployed and maintained using Git as the single source of truth. Key differences include GitOps using pull-based workflows with continuous reconciliation versus IaC's typically push-based, CI-triggered approach. GitOps emphasizes automated deployment and compliance through Git, while IaC concentrates on infrastructure provisioning and definition. Together, they enable scalable, secure, and automated infrastructure management.

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    Article
    Avatar of last9Last9·31w

    Kubernetes Service Discovery Explained with Practical Examples

    Kubernetes service discovery enables applications to find and communicate with each other in dynamic container environments. Services provide stable network abstractions over ephemeral Pods using DNS resolution and label selectors. The guide covers practical examples including internal communication, external access via Ingress, headless services for direct Pod access, and troubleshooting common issues like DNS resolution failures and missing endpoints.

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    Article
    Avatar of infoqInfoQ·29w

    Kubernetes 1.34 Released with KYAML, Traffic Routing Controls, and Improved Observability

    Kubernetes 1.34 introduces KYAML, a streamlined YAML subset to reduce configuration errors, enhanced traffic routing controls for network operators, and production-grade tracing for kubelet and API server using OpenTelemetry. The release includes 58 enhancements with improved security features like X.509 certificate management for pods, ServiceAccount tokens for image credential providers, and ordered namespace deletion to prevent security vulnerabilities.

  13. 13
    Article
    Avatar of newstackThe New Stack·29w

    Broadcom Ends Free Bitnami Images, Forcing Users To Find Alternatives

    Broadcom has discontinued its free Bitnami image program, forcing users to find alternative sources for pre-compiled application images and Helm charts. The change affects many Kubernetes deployments that relied on Bitnami's well-maintained images and charts. While Broadcom now offers commercial Bitnami Secure Images with enhanced security features, the transition creates risks including deployment failures and security vulnerabilities. Several vendors are stepping in to provide alternatives, and the CNCF clarified that Helm itself remains unaffected as an open source project.

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