This article details how Fangduoduo built an integrated, cloud‑native CI/CD release system—combining Vue front‑end, Python back‑end, Jenkins, Gerrit, Docker Swarm and Kubernetes—to automate builds, deployments, version control, testing, and service maintenance, dramatically boosting development efficiency.
This article explains how KubeVela converts an AppFile into a Kubernetes Application by outlining the two‑stage process, showing the relevant Go source code for the `vela up` command, detailing the AppFile and Application data structures, and describing the controller logic that renders the final Kubernetes resources.
This guide explains how to install Kubenurse as a DaemonSet in a Kubernetes cluster, configure its ingress and ServiceMonitor resources, and use Prometheus and Grafana to visualize comprehensive network health metrics such as latency, DNS errors, and API server connectivity.
This article details a real-world case where a JD Cloud engineer overcomes Kubernetes service limitations to enable external access to ClusterIP services and pods, exploring service types, network routing, packet capture analysis, and the solution of enabling kube-proxy’s masquerade‑all feature.
The article introduces ChaosBlade‑Box, an open‑source cloud‑native chaos‑engineering console that builds on Alibaba’s ChaosBlade tool, explains the high‑availability challenges of cloud‑native systems, details the platform’s design, features, multi‑language support, deployment workflow, example experiments, and future roadmap for resilient architectures.
This article explains why using a single docker run command or Docker Compose is insufficient for reliable Java service deployment, introduces Kubernetes as a cloud‑native orchestration platform, and details its architecture and essential objects such as Pods, Deployments, Services, and ConfigMaps.
Over three years of running Kubernetes in production across on‑premise RHEL VMs and AWS EC2, we learned hard‑won lessons about Java container compatibility, upgrade strategies, build and deployment pipelines, probe tuning, external IP scaling, and when Kubernetes truly adds value.
This article provides a step‑by‑step tutorial on designing a simple front‑back separation microservice system, implementing it with Java Spring Boot, and deploying the whole solution on a Kubernetes cluster with high‑availability features, monitoring, logging, tracing, and traffic control.
This article explains the challenges of container log collection in Kubernetes, evaluates log‑agent options, details the design of a custom Filebeat‑based controller architecture, shares performance tuning with Golang, and outlines monitoring and future extensions for a robust cloud‑native logging solution.
An interview with ByteDance engineer Xie Ning reveals how Redis can be transformed into a cloud‑native service on Kubernetes, covering the use of Deployments, StatefulSets, Operator patterns, dynamic storage provisioning, and the operational benefits over traditional physical‑machine deployments.
This article explains why image pre‑warming is essential for large Kubernetes clusters, describes OpenKruise’s architecture and custom resources (NodeImage, ImagePullJob) that enable cluster‑wide, sidecar, and resource‑pool image pre‑pulling, and outlines upcoming enhancements that combine pre‑warming with in‑place upgrades.
This article explains why the Kubernetes dockershim component is being phased out, compares Docker and containerd command usage, and provides a step‑by‑step guide to set up a Kubernetes 1.20.5 cluster with containerd as the container runtime, including network plugin installation.
This article explains how containers have reshaped modern IT by enabling faster, more agile software delivery, improving resource efficiency, enhancing security through isolation, and powering DevSecOps, while also covering Docker's role, Kubernetes orchestration, Windows container support, and future trends.
This article explores the evolution of microservices, the challenges they introduce, and how Knative’s Cloud‑Native serverless framework—through its Build, Serving, and Eventing modules—can be leveraged to create a low‑code, production‑grade workflow platform that simplifies complex business logic while reducing development overhead.
The article describes how the team built a production‑grade serverless workflow platform on Knative by creating four modules—a dashboard, API, operator, and syncer—that generate Kubernetes resources, automate CI/CD, monitor via Prometheus, and aim to cut boilerplate while supporting future extensions such as richer constructs, multi‑language support, and synchronous invocations.
This article details the step‑by‑step process of deploying JD’s Aura Android component platform on the private T‑PaaS environment, covering requirement analysis, solution selection, Docker image creation, Helm‑based Kubernetes orchestration, configuration management with Confd, and essential middleware setup for a successful cloud‑native rollout.
This article introduces Redis, explains its advantages, describes Redis Cluster architecture, and provides a detailed, hands‑on tutorial for deploying a Redis Cluster on Kubernetes using StatefulSets, PersistentVolumes, services, and a sample hit‑counter application, complete with configuration files and verification commands.
This article explains how OpenKruise SidecarSet enables automatic sidecar injection, in‑place upgrades without restarting the main container, and advanced rollout strategies such as rolling updates, canary releases, and scatter deployments, illustrated with a logtail sidecar example and detailed YAML configurations.
This article shares practical experiences and best‑practice guidelines for using Prometheus in Kubernetes environments, covering version selection, inherent limitations, common exporters, Grafana dashboards, metric selection principles, multi‑cluster scraping, GPU monitoring, timezone handling, memory and storage planning, and alerting considerations.
This article explains the fundamental principles of Kubernetes container networking, how Docker’s default bridge and veth pairs connect pods on the same host, and compares various CNI plugins and routing models for cross‑host communication, including Flannel and Calico.
Quarkus is an open‑source, lightweight Java framework optimized for Kubernetes and serverless environments, offering fast startup, low memory usage, native compilation via GraalVM, reactive and imperative programming models, and seamless integration with Red Hat OpenShift, making it a compelling choice for modern cloud‑native development.
This guide walks you through troubleshooting Kubernetes Deployments by explaining the relationships between Deployments, Services, and Ingress, showing a complete YAML example, detailing label and port matching rules, and providing concrete kubectl commands and debugging techniques for Pods, Services, and Ingress.
OpenKruise v0.8.0 introduces a new kruise‑daemon component for node‑level tasks, a scalable image pre‑pull capability via ImagePullJob, a fully restructured SidecarSet controller with enhanced injection and upgrade policies, a feature‑gate mechanism, and various optimizations such as CloneSet improvements and Alibaba Cloud image registry support.
This article provides a comprehensive guide to Argo Workflows, covering its core concepts, installation of both controller and client, detailed examples of workflows, templates, variables, reusable WorkflowTemplate and ClusterWorkflowTemplate resources, and a practical CI/CD pipeline implementation on Kubernetes.
This tutorial walks you through creating a Deployment YAML, customizing it, launching the pod, exposing it via a Service, performing rolling updates, rolling back, scaling replicas, and finally cleaning up, all with concrete kubectl commands and screenshots.
This article walks through deploying the open‑source mall‑swarm project using Docker for supporting services on a base server and Kubernetes on an application server, covering image packaging, Docker Compose setup, Rancher installation, Nacos configuration, YAML deployments, and Nginx reverse‑proxy access, with full command examples.
This article compares three cloud‑edge open‑source projects—KubeEdge, OpenYurt, and SuperEdge—by examining their open‑source status, architectural differences, edge‑computing capabilities, and the impact on operations, helping readers select the most suitable solution for production.
This article explains how to implement blue‑green and canary releases on Kubernetes using Ingress‑Nginx’s annotation‑based canary feature, covering weight‑based traffic splitting, header‑ and cookie‑driven routing, with step‑by‑step YAML examples and command‑line testing for validation.
This guide walks you through Helm V3’s key features, shows step‑by‑step commands to create deployments, services, and ingress resources, demonstrates installing and customizing a Helm chart, and explains how to upgrade, scale, and roll back applications on a Kubernetes cluster.
This guide walks you through using WireGuard for both networking and encryption in cloud‑native Kubernetes, showing how to configure Kilo CNI to create a multi‑cloud k3s mesh across AWS, Azure, GCP and Alibaba Cloud, and how to connect local clients to the cluster.
This article explains why the Grafana Loki log system was chosen over ELK for container cloud environments, detailing its lightweight design, cost‑effective architecture, components like Distributor, Ingester, and Querier, and how it integrates with Prometheus labels to simplify log collection and querying in Kubernetes.
This article examines why accelerating cloud‑based deep learning is essential, presents benchmark results comparing GPU generations and distributed training, introduces Alluxio as a distributed memory‑level cache, details its architecture on Kubernetes, and offers concrete tuning strategies to overcome I/O bottlenecks and boost training performance.
This guide explains how to push WebAssembly modules to an OCI‑compatible ACR registry using the ORAS client, enable Wasm support in Alibaba Cloud Service Mesh (ASM), and deploy Envoy filters via the ASMFilterDeployment CRD, covering Envoy filter types, pros and cons of Wasm, required CLI commands, and verification steps.
The article describes the design, architecture, and key components of a vector search platform built on Faiss that supports full‑index construction, incremental and distributed indexing, online retrieval, city‑level search, and vector update/delete operations to meet large‑scale AI application needs.
This article explains how KubeVela, built on the OAM model, enables platform teams to assemble reusable, extensible application delivery capabilities on Kubernetes without reinventing wheels, covering its origins, user roles, core abstractions, Appfile workflow, dashboard/API support, and upcoming roadmap.
This article explains what containerd is, compares it with Docker, describes Kubernetes' CRI support, and provides step‑by‑step commands for using containerd via crictl, showing that migrating from Docker to containerd is simple and resource‑efficient.
This article details the end‑to‑end process of privatizing JD's mPaaS Aura Android component platform on the TPaaS cloud‑native environment, covering requirement analysis, custom Dockerfile creation, unified configuration with confd, middleware setup, and Kubernetes resource definitions for a production‑grade deployment.
This article explains how to improve Kubernetes resource utilization by addressing node fragmentation, pod misconfiguration, and HPA settings, and then details five concrete scheduling methods—including nodeName, nodeSelector, nodeAffinity, taints, and pod priority—to optimize pod placement and reduce waste.
This article details how Youzan's offline Spark computing platform was transformed for the cloud‑native era by migrating from YARN to Kubernetes, introducing containerization, storage‑compute separation, dynamic allocation, deployment optimizations, and a collection of practical lessons to reduce cost and improve resource utilization.
This guide presents a comprehensive checklist of Kubernetes best practices covering container image selection, registry authentication, namespace isolation, labeling, annotations, RBAC, pod security policies, network policies, secrets management, image scanning, CI/CD, canary releases, monitoring, service mesh, and admission controllers to help you build secure, stable, and scalable production clusters.
This article provides a detailed introduction to Prometheus, covering its history, core features, installation methods, configuration file structure, PromQL basics, various exporters, Grafana visualization, alerting with Alertmanager, service discovery, and best‑practice recommendations for building a production‑grade monitoring system.
This article walks through every stage of how Kubernetes creates a pod—from submitting the YAML to the API, through etcd storage, scheduling, kubelet and CRI actions, CNI networking, and endpoint setup for services—providing a clear, step‑by‑step visual guide.
Youzan migrated its large‑scale offline Spark workloads from YARN to a cloud‑native Kubernetes architecture, separating storage and compute with Ceph FS, adding dynamic executor allocation and remote shuffle services, and applying numerous Spark and deployment tweaks that yielded elastic scaling, higher resource utilization, reduced costs, and valuable operational lessons.
This article explains the rise of edge computing, outlines its layered architecture, examines industry trends, describes cloud‑native fundamentals, and details how the OpenYurt platform solves integration challenges with features like unitization, edge autonomy, seamless conversion, and cloud‑edge collaboration, illustrated by edge‑AI and video‑to‑cloud case studies.
This article uses a fish‑and‑aquarium analogy to demystify core Kubernetes concepts such as Pods, Services, ReplicaSets, ConfigMaps, and Network Policies, illustrating how applications run, scale, and communicate within a cluster.
The Dapr v1.0 release announces a production‑ready, Kubernetes‑focused runtime that delivers low‑latency service calls, robust security, a growing component ecosystem, and multi‑language SDKs, while showcasing real‑world case studies and outlining future roadmap priorities for cloud‑native developers.
This article explores practical methods for optimizing Flink real‑time task resources on Kubernetes, focusing on memory usage analysis via GC logs and message‑processing capacity assessment, proposing automated detection of over‑provisioned memory and CPU, and outlining a workflow for resource adjustment to reduce costs.
This guide shows how to set up a self‑hosted Docker registry proxy using Docker's registry image, Kubernetes (k3s), and Envoy to accelerate access to public image repositories like gcr.io, quay.io, and Docker Hub from within China, covering prerequisites, custom Dockerfile, deployment manifests, Envoy configuration, authentication, and cache cleanup.
This article explains the inherent security risks of cloud‑native Kubernetes deployments—such as workload, namespace, and CRD cascading deletions and concurrent pod updates—and presents practical OpenKruise‑based protection techniques like label‑driven cascade‑deletion blocking, pod‑deletion flow control, and automatic PUB/PDB generation to ensure runtime stability.
This guide walks through troubleshooting Kubernetes issues such as partially deleted resources, resetting etcd, apiserver start failures due to missing ServiceAccount certificates, SELinux permission errors, ServiceAccount key generation, etcd startup errors, host trust configuration, and resource limit pitfalls, providing concrete commands and scripts for each problem.
This tutorial demonstrates how to create a MySQL master‑slave replication cluster on Kubernetes using a StatefulSet, local persistent volumes, ConfigMaps, Secrets, and Services, covering storage class configuration, pod initialization, data cloning, replication setup, verification, and horizontal scaling.
This article outlines five best‑practice steps—including considering cluster architecture, planning recovery, simplifying operations, ensuring security, and leveraging Kubernetes portability—to help organizations reliably back up applications and data in Kubernetes environments.
This guide explains how to allocate and control CPU and memory for containers and Pods in Kubernetes, covering resource units, request and limit settings, ResourceQuota objects, LimitRange defaults, practical YAML examples, and useful monitoring tools.
Fluid is an open‑source Kubernetes‑native engine that orchestrates and accelerates distributed datasets for AI and big‑data workloads, and this guide explains its core concepts, the JindoRuntime implementation, performance benefits, and step‑by‑step instructions to deploy and test JindoRuntime on a K8s cluster.
This article explains the evolution and inner workings of Kubernetes container runtimes, covering the classic Docker‑based flow, the roles of CRI, OCI, containerd, CRI‑O, and strong‑isolation solutions like Kata, gVisor, and Firecracker, while clarifying why the architecture became so layered.
Learn how to use Kubernetes Descheduler to rebalance uneven pod distribution across nodes by configuring various built‑in strategies, custom policies, filtering options, and deployment methods such as Jobs and CronJobs, with detailed examples and best‑practice guidelines for production clusters.
This article examines why pod creation latency hurts serverless workloads on Kubernetes and presents a step‑by‑step guide that includes image pre‑warming, multithreaded decompression, non‑compressed images, P2P image distribution, and in‑place upgrade techniques to dramatically improve elasticity and startup performance.
This article explains the four Kubernetes networking models and demonstrates two primary ways for containers inside a Pod to exchange data—using shared volumes and inter‑process communication (IPC)—with detailed YAML examples and command‑line verification steps.
This article provides a comprehensive overview of KubeVirt, a Kubernetes plugin that enables virtual machine management alongside containers, covering its background, technical selection, core concepts, CRDs, component architecture, common operations, storage and networking options, SDK usage, and integration into a private cloud platform.
This guide walks through installing Nginx on a CentOS VM, opening firewall ports, disabling SELinux enforcement, extracting NodePort values from a Kubernetes cluster, editing the Nginx configuration to proxy TCP traffic, and testing the load balancer with a sample deployment.
This article explains how containers within a Kubernetes Pod communicate using shared volumes and inter‑process communication (IPC), providing detailed examples, YAML definitions, and kubectl commands to illustrate sidecar patterns, volume lifecycles, and message‑queue based IPC between pod containers.
This article explains Knative Eventing fundamentals, walks through a Hello‑World event pipeline using GCP Pub/Sub, shows the required YAML definitions and kubectl commands, and demonstrates how to connect Cloud Storage events to a Vision API service for image analysis.
OpenYurt, the first non‑intrusive Kubernetes‑based edge computing platform, merges cloud‑native and edge paradigms to address scaling, autonomy, and network challenges, offering unitized management, edge autonomy, cloud‑edge collaboration, seamless conversion, and heterogeneous resource support, with real‑world cases from retail and transportation.
Learn how to simplify Kubernetes administration with Rancher by installing Docker, deploying Rancher, creating MySQL and SpringBoot deployments via YAML, configuring services, and exposing the application through Nginx, all illustrated with step‑by‑step commands and screenshots.
Istio is a fully open‑source service‑mesh platform that adds a transparent control plane to existing distributed applications, enabling traffic routing, access policies, telemetry, security, and observability without code changes, and it offers features such as virtual services, destination rules, gateways, sidecar configuration, fault injection, retries, timeouts, metrics, logging and distributed tracing.
This tutorial shows how to use the Go client-go library to create a command‑line tool that lists PersistentVolumeClaims, watches PVC events in a Kubernetes cluster, and triggers actions when total claimed storage exceeds a configurable threshold.
This article explores how KubeVirt extends Kubernetes to manage virtual machines, compares it with OpenStack, details technical selection, core components, CRDs, storage and networking options, and shares practical SDK usage and migration experiences for cloud‑native virtualization.
This article explains how Kubernetes handles data persistence through concepts such as Volumes, PersistentVolumes, PersistentVolumeClaims, and StorageClasses, compares in‑tree, FlexVolume, and CSI plugin models, and provides practical YAML examples for each component.
This article introduces Knative as a Kubernetes‑based serverless platform, explains its three core components, walks through deploying a Hello World service with YAML and kubectl commands, shows how configuration changes create revisions, demonstrates traffic splitting, and illustrates integration with external services such as Twilio.
This article explains how Flink 1.12 introduces production‑grade Kubernetes high‑availability, details the underlying architecture and deployment steps, and shows how the DataStream API can run in batch mode using runtime‑mode configuration and example commands.
This article explains how to transform a traditional Kubernetes Operator into a server‑less one by leveraging Knative Eventing and Knative Serving, showing the architectural changes, code modifications, and the remaining limitations of the approach.
The article analyzes recent Docker adoption trends, compares the benefits and overhead of containers and virtual machines, presents benchmark results showing significant performance gains for container workloads on bare‑metal servers and Kubernetes clusters, and discusses implications for hybrid cloud strategies.
This article explains how NetEase’s Lightboat micro‑service platform tackles the challenges of log collection in cloud‑native Kubernetes environments by designing a custom controller, selecting Filebeat as the agent, integrating it via DaemonSet, extending its functionality, and applying Golang performance‑tuning techniques to achieve efficient, observable logging.
This article explains the fundamental principles of container networking in Kubernetes, covering pod-to-pod communication, Linux network namespaces, veth pairs, Docker bridge, and advanced CNI plugins such as Flannel and Calico, including their overlay, routing, and underlay modes with practical command examples.
This guide presents a comprehensive checklist of production‑grade Kubernetes best practices, covering container image selection, registry management, namespace isolation, labeling, security controls, CI/CD, monitoring, service mesh adoption, and advanced features to keep clusters stable, secure, and efficient.
This article outlines comprehensive production‑grade Kubernetes best practices—including health probes, RBAC, resource management, network policies, monitoring, autoscaling, image security, and zero‑downtime strategies—to help teams run secure, efficient, and highly available workloads.
Kube‑OVN, the enterprise‑grade Kubernetes container networking solution developed by Lingque Cloud, has been accepted into the CNCF Sandbox, marking the first CNCF‑hosted open‑source CNI project and highlighting its SDN‑based features, security enhancements, and growing adoption by major enterprises.
This article explains how to design an elastic microservice architecture that can handle sudden traffic spikes, covering data partitioning, cache design, service layering, governance, adaptive circuit breaking, and auto‑scaling techniques using Go, gRPC, Kubernetes, and load‑balancing strategies.
This article introduces KubeVirt as a Kubernetes plugin for managing virtual machines, compares it with OpenStack and other solutions, explains its CRDs, components, storage and networking options, and provides detailed code examples and SDK usage for deploying and operating VMs in a cloud‑native environment.
This tutorial walks through preparing three Kubernetes nodes, extracting and distributing Zookeeper, configuring its zoo.cfg and myid files, starting and verifying the Zookeeper ensemble, then installing Kafka, adjusting its server.properties, and finally launching Kafka across the cluster.
This guide walks through installing HashiCorp Vault on Linux and Kubernetes, configuring it for secret management, enabling Kubernetes authentication, creating policies and roles, and accessing secrets via initContainers or the Vault SDK, providing a complete end‑to‑end secure integration.
This article explains why Kubernetes Secrets need encryption, demonstrates static encryption via the kube‑apiserver, shows how to configure an external KMS plugin (using Alibaba Cloud as an example), and lists third‑party tools for protecting secret data in a cluster.
This guide walks through Kubernetes fundamentals—including Pods, Controllers, Services, Labels, and Namespaces—and provides a step‑by‑step tutorial for migrating a Java project to a Kubernetes cluster, building Docker images, pushing to Docker Hub, creating deployments, and exposing the service.
This article explains how Dubbo integrates with Kubernetes to provide application‑level service discovery using a metadata service and revision mechanism, detailing both API‑client and DNS‑client implementations, their workflows, advantages, drawbacks, and future directions toward cloud‑native adoption.
This article explains how KubeVirt extends Kubernetes to manage virtual machines, covering the background of OpenStack‑to‑K8s migration, technical selection, KubeVirt architecture, CRDs, components, common operations, storage and networking choices, SDK usage, and practical deployment experiences within a private cloud platform.
This article examines the challenges of running both VMs and containers in a hybrid OpenStack‑Kubernetes environment, evaluates KubeVirt against alternatives such as Virtlet and Kata, and provides detailed guidance on KubeVirt architecture, CRDs, storage, networking, SDK usage, and integration with internal platforms.
This guide walks through preparing three CentOS 7.6 servers, configuring system settings, installing Docker and Kubernetes components, initializing the master node, deploying a pod network, adding worker nodes, and setting up the Kubernetes dashboard, providing all necessary commands and troubleshooting tips.
Knative Serving, built on Kubernetes and Istio, provides middleware primitives for rapid serverless container deployment, automatic scaling to zero, Istio‑based routing, and snapshotting of code and configuration, with key custom resources such as Service, Route, Configuration, and Revision to manage lifecycle and traffic.
This article provides a comprehensive overview of Kubernetes components, detailing the control plane services such as kube-apiserver, etcd, scheduler, and controller manager, the node-level agents like kubelet and kube-proxy, as well as common addons including DNS, dashboard, and logging solutions.
k9s is a command‑line interface that streamlines Kubernetes cluster management by wrapping kubectl, offering real‑time resource tracking, metric monitoring, support for standard and custom resources, customizable UI, multi‑resource views, RBAC inspection, and easy navigation of related objects, with an official site for download.
This guide walks through preparing the Linux environment on Kubernetes master and node machines, creating a bare Git repository, configuring SSH access, cloning the repository, and demonstrating core Git commands such as add, commit, status, diff, and push to a remote server.
The article outlines five major 2021 Kubernetes trends—simpler AI/ML workloads, better developer and ops experiences, heightened automation, rapid edge growth, and project overload—while offering practical advice for enterprises navigating the evolving cloud‑native landscape.
This tutorial explains how to incorporate Kubernetes into an existing CI/CD pipeline using Jenkins, Ansible, Docker, and HAProxy to achieve high‑availability microservice deployments, seamless production code changes, and scalable container management for both large and small software companies.
KEDA 2.0, now a CNCF sandbox project, adds many new event‑driven triggers, introduces a dedicated ScaledJob resource, supports both Deployments and Jobs, and provides fresh scalers such as Azure Log Analytics, IBM MQ, a CPU scaler, and a Metrics API extender, making Kubernetes autoscaling far more responsive to external workloads.
Learn how to install ssl_exporter in a kubeadm‑created Kubernetes cluster, configure Prometheus to scrape SSL certificate metrics, and set up alert rules that warn when certificates approach expiration or TLS connections fail, ensuring continuous security compliance.
The article uses an aquarium metaphor to explain Kubernetes fundamentals—including Pods, Nodes, Scheduler, ReplicaSets, Services, Network Policies, and ConfigMaps—by comparing applications to fish, tanks to Pods, rooms to Nodes, and the control plane to the aquarium manager, making complex concepts easier to visualize.
OpenYurt v0.3.0, released in November 2021, adds non‑intrusive edge extensions to native Kubernetes—including NodePool and UnitedDeployment controllers, a cloud‑side Yurt‑App‑Manager, and performance upgrades to yurthub, yurt‑tunnel and yurtctl—making edge workloads easier to deploy, manage, and operate offline.
At Youzan, Flink real‑time tasks running on Kubernetes are optimized by daily GC‑log memory analysis and Kafka‑throughput monitoring, which compute recommended heap sizes and parallelism adjustments to eliminate over‑provisioned CPU and memory, automate alerts, and pave the way for fully automated resource tuning.
API gateways serve microservices and developers, while reverse proxies handle static web traffic for ops teams; the article traces their evolution from static Nginx setups to cloud‑native programmable gateways like Envoy and Traefik, explains their overlapping concepts, and suggests a unified deployment to reduce complexity.
This article explores the Kubernetes kubelet source code, detailing its directory layout, the main kubelet.go entry point, the Run initialization sequence, the sync loop mechanics, and key questions about pod creation, synchronization, networking, volume management, and cleanup within a v1.13 cluster.
