Logs on PoLog

Kubernetes DNS: Why FQDNs Matter

Sun, 11 Jan 2026 00:00:00 +0000

Learn how Kubernetes DNS resolution works, the critical difference between short names and FQDNs, and why trailing dots reduce DNS queries from 4 to 1

The Pause Container: Kubernetes' Silent Foundation

Fri, 26 Dec 2025 00:00:00 +0000

Explore how Kubernetes uses pause containers as the foundation for pod networking, namespace sharing, and resource management across multiple containers

Understanding Bazel with Distroless

Sun, 30 Nov 2025 00:00:00 +0000

Learn Bazel fundamentals by exploring how Google builds distroless container images. From MODULE.bazel dependencies to multi-architecture OCI images, understand production-grade Bazel patterns through real-world examples.

eBPF & Cilium

Sat, 29 Nov 2025 00:00:00 +0000

What is eBPF

eBPF (extended Berkeley Packet Filter) is a technology that allows running sandboxed programs in the Linux kernel without changing kernel source code or loading kernel modules.

How eBPF Works

Kernel Extension Mechanism

Scaling Prometheus with Thanos

Thu, 02 Oct 2025 00:00:00 +0000

Deploy Thanos sidecar with Prometheus for unlimited metric retention, multi-cluster querying, and object storage integration

Crane: Remote Container Swiss Army Knife

Mon, 08 Sep 2025 00:00:00 +0000

Explore crane, Google’s lightweight CLI for remote container registry operations. Manipulate images, copy between registries, and add layers without local Docker pulls.

Smart Canary Deployments

Sun, 31 Aug 2025 00:00:00 +0000

Automated progressive delivery with Argo Rollouts, Prometheus metrics, and istio for safe production deployments

Apko: Container Image Builder

Tue, 19 Aug 2025 00:00:00 +0000

apko builds minimal, secure container images from APK packages using declarative YAML configuration

Wolfi Made Easy

Thu, 14 Aug 2025 00:00:00 +0000

A practical guide to using Wolfi - the minimal, secure container base image that gives you package management without the bloat