🚀 Deployments
Kubernetes deployment recipes: Rolling updates, blue-green, canary, ArgoCD GitOps, Kustomize, OpenShift, and multi-cluster management.
Automate Kubernetes Day-2 Operations with Ansible
Use Ansible to automate Kubernetes day-2 operations — apply manifests, roll out upgrades, and reconcile cluster state with the kubernetes.core collection.
Kubernetes Blue-Green and Canary Deployment Strategies
Implement blue-green and canary deployment strategies on Kubernetes. Zero-downtime releases using Service label switching, traffic splitting, progressive
Kubernetes DaemonSet One Pod Per Node Guide
Deploy DaemonSets on Kubernetes to run exactly one pod per node. Configure tolerations, node selectors, affinity rules, and resource management
Kubernetes Graceful Shutdown and Pod Termination
Implement graceful shutdown for Kubernetes pods. Configure terminationGracePeriodSeconds, preStop hooks, SIGTERM handling, connection
Kubernetes Init Containers Patterns and Examples
Use Kubernetes init containers for pod initialization. Wait for dependencies, clone Git repos, setup configuration, database migrations, certificate
Kubernetes Multi-Container Pod Patterns
Implement multi-container pod patterns in Kubernetes: sidecar for logging and proxying, ambassador for outbound connections, adapter for format
Kubernetes Pod Disruption Budget PDB Guide
Protect application availability with Kubernetes PodDisruptionBudgets. Configure minAvailable and maxUnavailable for voluntary disruptions like node
Kubernetes StatefulSet Headless Service Guide
Deploy stateful applications with Kubernetes StatefulSets. Stable network identity, ordered deployment, persistent storage per pod, headless services
Multi-Architecture Container Images for Kubernetes
Build and deploy multi-architecture container images for mixed Kubernetes clusters. Docker buildx, manifest lists, image indexes, platform-aware
Private Container Registry on Kubernetes
Deploy a private OCI container registry on Kubernetes with persistent storage, TLS, authentication, garbage collection, and high availability. Self-hosted
Canary Deployment with Gateway API Traffic Splitting
Implement canary deployments using Kubernetes Gateway API HTTPRoute traffic splitting. Gradually shift traffic from stable to canary version with weight-based
Strimzi Kafka Operator on Kubernetes
Deploy Apache Kafka on Kubernetes with Strimzi operator. Covers Kafka CR, KafkaTopic, KafkaUser, KafkaConnect, KafkaBridge, rack awareness, storage
Pod Disruption Budget (PDB) Production Guide
Configure Pod Disruption Budgets to protect application availability during voluntary disruptions: node drains, cluster upgrades, and autoscaler scale-downs.
Knative: Serverless Workloads on Kubernetes
Run serverless containers with Knative Serving and Eventing on Kubernetes. Auto-scaling to zero, traffic splitting, revision management.
kubectl get pods: Output Formats Guide
Master kubectl get pods with output formats, label selectors, field selectors, and custom columns. Wide output, JSON, YAML, and jsonpath examples.
kubectl run: Create Pod from Command Line
Use kubectl run to create pods and deployments from the command line. Dry-run output, resource limits, environment variables, and CKA exam patterns.
Argo Workflows: K8s-Native Pipeline Engine
Run CI/CD pipelines and data workflows with Argo Workflows in Kubernetes. DAG workflows, artifact passing, retry strategies.
ArgoCD GitOps: Declarative Continuous Delivery
Deploy applications with ArgoCD GitOps in Kubernetes. Application sync, auto-heal, multi-cluster management, ApplicationSets, and Helm/Kustomize integration.
K8s CronJob: Advanced Scheduling Patterns
Configure Kubernetes CronJobs with concurrency policies, deadlines, history limits, and suspend/resume. Timezone scheduling, failure handling, and monitoring.
K8s DaemonSet: Run Pod on Every Node
Deploy Kubernetes DaemonSets to run one pod per node. Log collectors, monitoring agents, node-level networking, tolerations, and update strategies.
Dapr: Microservice Building Blocks on K8s
Deploy Dapr in Kubernetes for service invocation, state management, pub/sub messaging, and secrets. Sidecar architecture that works with any language or fram...
K8s Deployment Rolling Update Strategy
Configure Kubernetes Deployment rolling updates with maxSurge and maxUnavailable. Rollback, revision history, blue-green, and canary deployment patterns.
Flux: GitOps Toolkit for Kubernetes
Deploy Flux GitOps toolkit for Kubernetes continuous delivery. Kustomization, HelmRelease, image automation, and multi-tenant GitOps with source controllers.
Kubernetes Graceful Shutdown Guide
Implement graceful shutdown in Kubernetes pods. Configure terminationGracePeriodSeconds, preStop hooks, SIGTERM handling, and drain connections properly.
K8s Init Containers: Setup Before Main
Use Kubernetes init containers to run setup tasks before main containers start. Database migrations, config fetching, dependency checks, and ordering.
K8s Jobs and CronJobs: Complete Guide
Create Kubernetes Jobs and CronJobs for batch processing. Parallelism, backoff limits, completion counts, cron schedules, and failure handling patterns.
K8s Node Affinity and Pod Scheduling
Configure Kubernetes node affinity, pod affinity, and anti-affinity rules. nodeSelector, requiredDuringScheduling, preferredDuringScheduling, and topology.
K8s Operator Pattern: Build Controllers
Build Kubernetes operators with the controller pattern. Reconciliation loops, watch events, owner references, finalizers, and operator frameworks comparison.
K8s PodDisruptionBudget PDB Guide
Configure Kubernetes PodDisruptionBudgets to protect application availability during node drains. minAvailable, maxUnavailable, and drain safety patterns.
K8s Pod Lifecycle and Graceful Shutdown
Understand Kubernetes pod lifecycle phases, termination sequence, preStop hooks, SIGTERM handling, and terminationGracePeriodSeconds for zero-downtime shutdo...
K8s PriorityClass: Pod Scheduling Priority
Configure Kubernetes PriorityClass for pod scheduling priority and preemption. System-critical pods, resource guarantees, and preemption policies.
Kubernetes Liveness and Readiness Probes Guide
Configure Kubernetes liveness, readiness, and startup probes for health checks. HTTP, TCP, exec probes, timing parameters, and failure threshold tuning.
K8s ReplicaSet: Maintain Pod Replicas
Understand Kubernetes ReplicaSets for maintaining desired pod count. Selector matching, scaling, ownership, and relationship to Deployments.
K8s Rolling Update: Deployment Strategies
Configure Kubernetes rolling update strategies with maxSurge, maxUnavailable, and recreate strategy. Blue-green, canary patterns, and rollback procedures.
K8s Sidecar Containers: Native Support
Configure Kubernetes native sidecar containers with restartPolicy Always in initContainers. Logging sidecars, service mesh proxies, and lifecycle management.
K8s StatefulSet: Stable Identity Guide
Deploy stateful applications with Kubernetes StatefulSets. Stable network identity, ordered deployment, persistent storage, and headless service patterns.
Tekton: Cloud-Native CI/CD Pipelines
Build CI/CD pipelines with Tekton in Kubernetes. Tasks, Pipelines, PipelineRuns, workspaces, and Tekton Hub integration for cloud-native continuous delivery.
K8s Topology Spread: Distribute Pods
Configure Kubernetes topology spread constraints to distribute pods across zones, nodes, and regions. maxSkew, whenUnsatisfiable, and scheduling strategies.
Convert Connected to Disconnected OCP
Convert a connected OpenShift cluster to disconnected. Mirror images, configure IDMS, update pull secrets, fix Insights Operator, and verify applications.
Disconnected Environments OpenShift
Complete guide to OpenShift disconnected and air-gapped environments. Mirror registry, oc-mirror, OLM, OSUS, IDMS, upgrades, and enclave support overview.
Kubernetes Deployment Strategies
Compare rolling update, recreate, blue-green, and canary deployment strategies in Kubernetes. Configuration, trade-offs, and production rollback procedures.
Kubernetes Jobs CronJobs Guide
Run batch workloads with Kubernetes Jobs and CronJobs. Parallel execution, completion tracking, failure handling, TTL cleanup, and scheduled tasks.
Kubernetes Probes Liveness Readiness
Configure liveness, readiness, and startup probes in Kubernetes. HTTP, TCP, exec, and gRPC probe types with real-world tuning for production workloads.
Kubernetes Node Drain Cordon Guide
Safely drain and cordon Kubernetes nodes for maintenance. Graceful pod eviction, PDB-aware drains, force drain, and maintenance window procedures.
Mirror Registry Disconnected OpenShift
Set up a mirror registry for disconnected OpenShift installations. Deploy mirror-registry for Red Hat OpenShift, configure storage, TLS, and credentials.
oc-mirror Plugin Disconnected OpenShift
Use oc-mirror to mirror OpenShift content for disconnected installations. ImageSetConfiguration, incremental mirrors, and operator catalog mirroring.
OLM Disconnected OpenShift Operators
Use Operator Lifecycle Manager in disconnected OpenShift clusters. Mirror catalogs, create CatalogSources, and manage Operators without internet access.
Red Hat Quay Registry Kubernetes
Deploy and manage Quay container registry on Kubernetes. Mirror policies, robot accounts, security scanning, and integration with OpenShift.
Skopeo Container Image Operations
Use skopeo to inspect, copy, sync, and delete container images across registries. Essential tool for disconnected Kubernetes and OpenShift environments.
CloudNativePG PostgreSQL Operator K8s
Deploy PostgreSQL with CloudNativePG operator on Kubernetes. Cluster setup, affinity, replication lag monitoring, backup, and high availability configuration.
OpenShift Upgrade Disconnected Cluster
Step-by-step guide to upgrading OpenShift in a disconnected air-gapped environment. Mirror releases, configure ICSP/IDMS, validate, and execute the upgrade.
OpenShift Upgrade Service Graph Guide
Use the OpenShift Upgrade Service (OSUS) and Cincinnati graph to plan safe upgrade paths. Channel selection, conditional edges, and air-gapped graph data.
OSUS Operator Disconnected OpenShift
Deploy the OpenShift Update Service (OSUS) operator for disconnected clusters. Local Cincinnati graph, graph-data image mirroring, and upgrade path serving.
ArgoCD Sync Waves and Hooks Guide
Configure ArgoCD sync waves for ordered deployments. Wave ordering, sync hooks, resource health checks, and dependency management patterns.
Canary Deployment Kubernetes Guide
Implement canary deployments on K8s without service mesh. Native K8s strategy, traffic splitting, and automated rollback.
Flux Sources Config Kubernetes
Configure Flux source controllers for GitOps on Kubernetes. GitRepository, HelmRepository, OCIRepository, and Bucket sources for multi-source deployments.
KIND Local Kubernetes Dev Guide
Use KIND for local Kubernetes development. Multi-node clusters, ingress setup, load balancer, persistent storage, and CI/CD integration.
K8s Multi-Cluster Management Guide
Kubernetes multi-cluster management guide. Federation, Cluster API, Rancher, and GitOps patterns for fleet management across production environments.
Pod Disruption Budget Best Practices
Configure PodDisruptionBudgets for high availability on Kubernetes. minAvailable vs maxUnavailable, voluntary disruptions, and upgrade coordination.
Readiness Liveness Startup Probes
Configure Kubernetes health probes correctly. When to use each probe type, common mistakes, and production-ready probe configurations.
Readiness Probe Kubernetes Guide
Configure readiness probes correctly on Kubernetes. HTTP, TCP, exec probes, failure threshold tuning, and why readiness probes should never check databases.
terminationGracePeriodSeconds Guide
Configure terminationGracePeriodSeconds for Kubernetes pods. SIGTERM vs SIGKILL timing, connection draining, long-running tasks, and graceful shutdown.
GitLab Runner Helm Kubernetes Executor
Deploy GitLab Runner on Kubernetes with Helm. Configure concurrent jobs, internal registry, PodMonitor metrics, scale-to-zero, security contexts.
Argo Rollouts Canary Blue-Green K8s
Progressive delivery with Argo Rollouts on Kubernetes. Canary, blue-green, analysis templates, and experiment-based promotion for safe deployments.
Canary Deployments with Flagger
Automate canary deployments in Kubernetes using Flagger with Istio, Linkerd, or NGINX ingress. Progressive traffic shifting, metric analysis.
CronJob Best Practices Kubernetes
Configure Kubernetes CronJobs with concurrency policies, failure handling, timezone scheduling, resource limits, and job history cleanup.
Custom Scheduler Kubernetes Guide
Build and deploy custom Kubernetes schedulers for specialized workloads. Scheduler profiles, extender webhooks, scoring plugins.
DaemonSet Update Strategies Kubernetes
Configure DaemonSet rolling updates with maxUnavailable, OnDelete strategy, partition rollouts, and canary updates for node-level workloads like log collec.
Image Pull Optimization Kubernetes
Optimize container image pulls with pre-pulling DaemonSets, registry mirrors, image caching, and pull-through proxies for faster pod startup.
Init Container Patterns Kubernetes
Use init containers for dependency waiting, database migration, config generation, certificate fetching, and permission setup.
Job Completion Patterns Kubernetes
Configure Kubernetes Jobs with indexed completions, work queues, parallel processing, backoff limits, and TTL cleanup for batch workloads.
Job TTL Cleanup Kubernetes Guide
Automate Kubernetes Job cleanup with TTL controller. ttlSecondsAfterFinished, CronJob history limits, and preventing completed Job accumulation.
Node Affinity Scheduling Kubernetes
Configure node affinity rules for Kubernetes pod scheduling. Required vs preferred affinity, label selectors, and combining with taints and tolerations.
Node Maintenance and Drain Operations
Safely drain Kubernetes nodes for maintenance with cordon, drain, and uncordon. Handle PodDisruptionBudgets, DaemonSets, and local storage.
Build Operators with Operator SDK
Build Kubernetes operators with Operator SDK. Controller reconciliation, custom resources, status subresource, leader election, and testing patterns.
PDB Rolling Update Coordination K8s
Coordinate PodDisruptionBudgets with rolling updates on Kubernetes. minAvailable vs maxUnavailable, voluntary disruptions, and upgrade-safe configurations.
Pod Affinity and Anti-Affinity Guide
Configure pod affinity and anti-affinity rules for Kubernetes scheduling. Co-locate cache with app, spread replicas across nodes.
Pod Disruption Budget Strategies
Configure PodDisruptionBudgets for zero-downtime maintenance. MinAvailable vs maxUnavailable strategies for stateful workloads, GPU training.
Pod Topology Spread Advanced Patterns
Advanced topology spread constraints for Kubernetes. Multi-zone HA, GPU rack awareness, combined with affinity rules, and minDomains for scaling clusters.
Priority and Preemption Scheduling
Configure PriorityClasses for Kubernetes workload scheduling. System-critical pods, GPU training preemption, and preemptionPolicy Never for batch workloads.
Kubernetes StatefulSet Management Guide
Manage stateful applications on Kubernetes with StatefulSets. Ordered deployment, stable network identity, persistent storage.
Kubernetes DaemonSet Update Strategies
Configure DaemonSet rolling updates with maxUnavailable and maxSurge. Understand OnDelete vs RollingUpdate strategies for node-level workloads.
Kubernetes preStop Hooks for Graceful Shutdown
Configure preStop hooks and terminationGracePeriodSeconds for zero-downtime pod termination. Handle SIGTERM correctly in your applications.
Multi-Container Pod Patterns in Kubernetes
Implement sidecar, ambassador, and adapter patterns in Kubernetes pods. Share volumes and network namespace between containers for modular architectures.
Kubernetes Rolling Update Strategy
Configure rolling update deployments with maxSurge and maxUnavailable to control rollout speed, minimize downtime, and enable safe progressive delivery.
StatefulSet Headless Service DNS
Configure StatefulSets with headless services for stable network identities. Understand pod DNS, ordered deployment, and persistent storage patterns.
CloudNativePG PostgreSQL on Kubernetes
Deploy PostgreSQL on Kubernetes with CloudNativePG operator. Cluster setup, affinity, backups to S3, connection pooling, and high availability configuration.
Full GitOps Pipeline k3s to Production
End-to-end GitOps pipeline: git push triggers Gitea Actions build, pushes to quay.io, Octopus Deploy creates release with ephemeral preview.
Gitea Actions Runner Push to Quay
Deploy Gitea Actions runner on k3s to build container images and push to quay.io. DinD-less builds with Kaniko, automated CI pipelines for every git push.
Gitea PostgreSQL Valkey on k3s
Deploy self-hosted Gitea with PostgreSQL and Valkey (Redis fork) on k3s. Complete Git forge with Actions CI runner, container registry, and package management.
Hugo nginx Static Site on a k3s Cluster
Deploy a Hugo static site with nginx on k3s. Multi-stage build, Brotli compression, security headers, and automated redeployment on git push via Gitea Actions.
Kairos k3s on Hetzner CPX42: Immutable Bootstrap
Deploy an immutable Kairos-based k3s cluster on Hetzner Cloud CPX42. Automated provisioning with cloud-init, immutable OS upgrades.
kubectl rollout restart Deployment
Restart Kubernetes Deployments, StatefulSets, and DaemonSets with kubectl rollout restart. Zero-downtime rolling restart without changing pod spec.
Multi-Cluster Fleet Management on Kubernetes
Manage multiple Kubernetes clusters with kubectl contexts, federation, GitOps fleet patterns, and tools like Rancher, ArgoCD, and Cluster API.
Mutagen Kubernetes File Sync Guide
Sync files between local machine and Kubernetes pods with Mutagen. Real-time bidirectional sync for development, hot-reload workflows.
Octopus Deploy 2025.4 on Kubernetes
Deploy Octopus Deploy 2025.4 with MSSQL and Kubernetes agent on k3s. Release orchestration with ephemeral preview environments, approval gates.
Kubernetes Day 2: Where the Leverage Kicks In
Why Kubernetes pays off after initial setup. Day 2 operations leverage: auto-scaling, self-healing, rolling updates, observability.
Deploy a New App in 5 Minutes on Kubernetes
Deploy a production-ready application in 5 minutes on an existing Kubernetes cluster. Deployment, Service, Ingress, TLS, autoscaling.
Reusable CI/CD Pipeline Templates for K8s
Build once, deploy anything. Reusable CI/CD pipeline templates for Kubernetes using GitHub Actions, GitLab CI, and Tekton.
Kubernetes and OpenShift Major Version Upgrade
Upgrade Kubernetes minor versions (1.31→1.32) and OpenShift (4.16→4.17, EUS-to-EUS). API deprecation migration, etcd backup.
Kubernetes and OpenShift Patch Updates
Apply patch updates to Kubernetes and OpenShift clusters safely. Patch version upgrades for control plane, kubeadm, kubelet.
Kubernetes and OpenShift Upgrade Strategy
Complete upgrade strategy for Kubernetes and OpenShift clusters. Understand patch, minor, and major versions, upgrade paths.
Deploy MariaDB on OpenShift with SCC
Deploy MariaDB on OpenShift with proper Security Context Constraints. Configure anyuid SCC, persistent storage, custom my.
OpenShift 4.20: New Features and Upgrade Guide
OpenShift 4.20 (EUS) new features, Kubernetes 1.33 alignment, the upgrade path from 4.18, and what administrators need to know before upgrading.
OpenShift 4.21: New Features and Upgrade Guide
OpenShift 4.21 new features, K8s 1.34 alignment, upgrade from 4.20. Non-EUS release with latest innovations: in-place pod resize GA, DRA improvements.
Cluster API on AWS: Provision EKS Clusters
Use Cluster API (CAPI) to provision and manage EKS clusters declaratively. Install clusterctl, configure CAPA provider, and automate cluster lifecycle on AWS.
ClusterClass: Reusable Cluster Templates in...
Define reusable ClusterClass templates in Cluster API for consistent multi-cluster provisioning. Variables, patches, and topology-based cluster creation.
Cluster API on vSphere: On-Prem K8s Clusters
Provision on-premises Kubernetes clusters on vSphere using Cluster API (CAPV). VM templates, control plane HA, node scaling, and day-2 operations.
Crossplane K8s Infrastructure Management
Manage cloud infrastructure from Kubernetes with Crossplane. Providers, Compositions, Claims, XRDs, and GitOps-driven infrastructure as code for AWS, GCP.
Data Monetization Platforms on Kubernetes
Build data monetization platforms on Kubernetes. Data marketplace APIs, usage-based billing, data mesh architecture, secure data sharing, and catalog services.
Flux vs ArgoCD: Kubernetes GitOps Compared
Compare Flux and ArgoCD for Kubernetes GitOps. Architecture, multi-tenancy, Helm support, UI, scalability, and when to choose each for production GitOps de.
Kubernetes Job Completions and Parallelism
Configure Kubernetes Job completions, parallelism, backoffLimit, and indexed jobs. Parallel batch processing, work queue patterns, and job failure handling.
Native Sidecar Containers in K8s: Complete ...
Use native sidecar containers in Kubernetes v1.33+. InitContainer restartPolicy Always, lifecycle ordering, logging sidecars, service mesh.
Kubernetes Pod Priority and Preemption Guide
Configure Kubernetes PriorityClasses for pod scheduling priority. Preemption, system-critical pods, resource guarantee hierarchy, and non-preempting priority.
Kubernetes topologySpreadConstraints Guide
Configure pod topology spread constraints for even distribution across zones, nodes, and racks. maxSkew, topologyKey, whenUnsatisfiable.
Kubernetes PodDisruptionBudget (PDB) Guide
Configure PodDisruptionBudgets to protect workloads during node drains, upgrades, and maintenance. minAvailable, maxUnavailable, and eviction policies.
Kubernetes Rolling Update Zero Downtime Guide
Configure Kubernetes rolling updates for zero-downtime deployments. maxSurge, maxUnavailable, readiness probes, preStop hooks, and graceful shutdown strategies.
OpenShift Support Lifecycle: Versions, EOL,...
OpenShift lifecycle: version support matrix, EOL dates for OCP 4.14-4.18, EUS upgrade paths, and end-of-life schedule. Updated for 2026.
Platform Engineering on K8s: Build an IDP
Build an internal developer platform on Kubernetes. Backstage, Crossplane, ArgoCD, self-service templates, golden paths.
Enterprise GitOps at Scale with Fleet Mgmt
Manage hundreds of Kubernetes clusters with ArgoCD ApplicationSets, Flux multi-cluster, and fleet-wide policy enforcement using GitOps principles.
Argo Workflows on Kubernetes: CI/CD Guide
Run CI/CD pipelines and data workflows with Argo Workflows on Kubernetes. Create DAG-based workflows, parallel steps, artifact passing, and cron workflows.
Kubernetes CronJob Scheduling Guide
Schedule recurring tasks with Kubernetes CronJobs. Covers cron syntax, timezone support, concurrency policies, job history, manual triggers, and monitoring.
Kubernetes DaemonSet Complete Guide
Deploy DaemonSets in Kubernetes to run one pod per node. Covers monitoring agents, log collectors, CNI plugins, node affinity, and rolling update strategies.
Kubernetes Jobs and CronJobs Guide
Run batch workloads with Kubernetes Jobs and CronJobs. Covers one-shot tasks, parallel processing, scheduled jobs, failure handling, and cleanup policies.
Kubernetes Rolling Update Strategy Guide
Configure Kubernetes rolling update strategy for zero-downtime deployments. Tune maxSurge, maxUnavailable, minReadySeconds, and rollback procedures.
KubeVirt: Run VMs on Kubernetes
Run virtual machines alongside containers on Kubernetes with KubeVirt. Covers VM creation, live migration, GPU passthrough, and VM-to-container networking.
Tekton Pipelines on Kubernetes
Build cloud-native CI/CD pipelines with Tekton on Kubernetes. Create reusable Tasks, Pipelines, triggers, and integrate with Git webhooks for automated builds.
WebAssembly Runtime with Spin and SpinKube
Deploy WebAssembly workloads on Kubernetes using SpinKube and the Spin Operator. Run Wasm components alongside containers with sub-millisecond cold starts.
WASI and containerd Wasm Shims on Kubernetes
Run WebAssembly workloads using containerd Wasm shims with WASI support on Kubernetes. Configure runwasi, wasmtime, and WasmEdge as container runtimes.
Serverless Functions with WebAssembly
Build serverless functions using WebAssembly on Kubernetes with Fermyon Cloud, KEDA, and SpinKube. Achieve sub-millisecond scale-to-zero with Wasm cold starts.
Blue-Green Deployment in Kubernetes
Implement blue-green deployments in Kubernetes for instant rollback. Covers Service selector switching, Argo Rollouts blue-green, and comparison with canary
Canary Deployment in Kubernetes
Implement canary deployments in Kubernetes to gradually roll out changes. Covers native K8s, Argo Rollouts, Istio traffic splitting, and automated analysis.
Graceful Shutdown Pod Termination
Implement graceful shutdown in Kubernetes pods. Handle SIGTERM, drain connections, use preStop hooks, and configure terminationGracePeriodSeconds correctly.
Zero-Downtime Deployment in Kubernetes
Achieve zero-downtime deployments in Kubernetes. Covers readiness probes, PDBs, preStop hooks, rolling update tuning, and connection draining best practices.
Deployment vs StatefulSet in Kubernetes
Choose between Deployment and StatefulSet for your Kubernetes workloads. Compare identity, storage, ordering, scaling, and use cases for each controller.
Kubernetes CI/CD Pipeline with GitHub Actions
Build a complete CI/CD pipeline for Kubernetes with GitHub Actions. Covers Docker build, image push, Helm deploy, and automated rollback on failure.
Kubernetes Deployment Complete Guide
Create and manage Kubernetes Deployments for stateless applications. Covers replicas, selectors, rolling updates, rollback, and deployment strategies.
K8s Local Development with Minikube and Kind
Set up local Kubernetes clusters for development with Minikube, Kind, and k3d. Covers installation, configuration, local registries, and hot-reload workflows.
Kubernetes Operator Pattern Explained
Build and use Kubernetes Operators for automated application management. Covers the operator pattern, CRDs, controller-runtime, and Operator SDK.
Kubernetes ReplicaSet Explained
Understand ReplicaSets in Kubernetes for maintaining pod replicas. Covers selectors, scaling, ownership, and why you should use Deployments instead.
Air-Gapped Image Import for OpenShift Clusters
Import container images into disconnected OpenShift clusters. Use podman save/load and internal registries when DNS and TLS block external pulls.
Backstage Developer Portal on Kubernetes
Deploy Spotify Backstage on Kubernetes as an internal developer portal. Covers Helm install, PostgreSQL backend, catalog entities, and TechDocs integration.
Cluster API for K8s Lifecycle Management
Manage Kubernetes cluster lifecycle with Cluster API. Declarative cluster creation, upgrades, scaling, and multi-cloud infrastructure provisioning as code.
Install ArgoCD on AlmaLinux: Step-by-Step
Deploy ArgoCD on Kubernetes running on AlmaLinux. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on Amazon Linux
Deploy ArgoCD on Kubernetes running on Amazon Linux. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on Arch Linux: Step-by-Step
Deploy ArgoCD on Kubernetes running on Arch Linux. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on CentOS Stream
Deploy ArgoCD on Kubernetes running on CentOS Stream. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on Debian: Step-by-Step Guide
Deploy ArgoCD on Kubernetes running on Debian. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on Fedora: Step-by-Step Guide
Deploy ArgoCD on Kubernetes running on Fedora. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on openSUSE: Step-by-Step
Deploy ArgoCD on Kubernetes running on openSUSE. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on Oracle Linux
Deploy ArgoCD on Kubernetes running on Oracle Linux. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on RHEL: Step-by-Step Guide
Deploy ArgoCD on Kubernetes running on RHEL. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on Rocky Linux Step-by-Step
Deploy ArgoCD on Kubernetes running on Rocky Linux. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on SUSE SLES: Step-by-Step
Deploy ArgoCD on Kubernetes running on SUSE SLES. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install ArgoCD on Ubuntu: Step-by-Step Guide
Deploy ArgoCD on Kubernetes running on Ubuntu. GitOps continuous delivery with automated sync, self-healing, and multi-cluster support.
Install Kubernetes on AlmaLinux
Step-by-step guide to install Kubernetes on AlmaLinux with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for AlmaLinux 8/9.
Install Kubernetes on Amazon Linux
Install Kubernetes on Amazon Linux with kubeadm. Covers containerd setup, kubeadm init, Calico CNI, and worker node joining for Amazon Linux 2023.
Install Kubernetes on Arch Linux
Step-by-step guide to install Kubernetes on Arch Linux with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for Arch Linux rolling.
Install Kubernetes on CentOS Stream
Step-by-step guide to install Kubernetes on CentOS Stream with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for CentOS Stream 9.
Install Kubernetes on Debian: Setup Guide
Step-by-step guide to install Kubernetes on Debian with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for Debian 11/12.
Install Kubernetes on Fedora: Setup Guide
Step-by-step guide to install Kubernetes on Fedora with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for Fedora 39/40.
Install Kubernetes on openSUSE
Install Kubernetes on openSUSE with kubeadm. Covers containerd setup, kubeadm init, Calico CNI, and worker node joining for openSUSE Leap 15 / Tumbleweed.
Install Kubernetes on Oracle Linux
Step-by-step guide to install Kubernetes on Oracle Linux with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for Oracle Linux 8/9.
Install Kubernetes on RHEL: Setup Guide
Step-by-step guide to install Kubernetes on RHEL with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for RHEL 8/9.
Install Kubernetes on Rocky Linux
Step-by-step guide to install Kubernetes on Rocky Linux with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for Rocky Linux 8/9.
Install Kubernetes on SUSE SLES
Step-by-step guide to install Kubernetes on SUSE SLES with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for SLES 15.
Install Kubernetes on Ubuntu: Setup Guide
Step-by-step guide to install Kubernetes on Ubuntu with kubeadm. Covers containerd, kubeadm init, CNI setup, and worker node joining for Ubuntu 22.04/24.04.
Multi-Cluster Mgmt Strategies K8s
Manage multiple Kubernetes clusters with federation, service mesh, and GitOps. Covers Admiralty, Liqo, Skupper, and ArgoCD ApplicationSets.
Kubernetes StatefulSet Advanced Patterns
Advanced StatefulSet patterns for databases, message queues, and distributed systems. Covers ordered deployment, persistent identity, and headless services.
Run Windows Containers on Kubernetes
Deploy Windows workloads on Kubernetes with mixed Linux and Windows node pools. Covers taints, node selectors, and Windows-specific networking.
Fix Deploy Rollout Stuck at Partial Progress
Debug deployments stuck with unavailable replicas during rollout. Covers readiness probes, resource constraints, and rollback.
Run WebAssembly Workloads on Kubernetes
Deploy WASM workloads on Kubernetes using SpinKube and containerd-shim. Sub-millisecond cold starts, polyglot runtimes, and sandboxed edge computing.
Detect ArgoCD Shadow Updates Out-of-Band
Detect and prevent ArgoCD shadow updates where manual kubectl changes bypass GitOps. Configure self-heal, sync, and drift detection.
Build a K8s Operator with Docker Testing
Build a Kubernetes operator with Operator SDK and Kubebuilder. Test with Docker, Kind, and envtest. Full TDD workflow to OLM bundle.
Kubernetes Resiliency Patterns Guide
Build resilient Kubernetes apps with PDBs, topology spread, anti-affinity, health probes, and graceful shutdown patterns.
OpenClaw GitOps Deployment with ArgoCD
Deploy OpenClaw on Kubernetes using ArgoCD for GitOps automation. Application definition, sync policies, drift detection, and secrets.
OpenClaw Local Development with Kind
Set up a local Kind cluster for OpenClaw development and testing. Auto-detect Docker or Podman, create a single-node cluster, and deploy OpenClaw in minutes.
OpenClaw Multi-Env Deploy with Kustomize
Deploy OpenClaw across dev, staging, and production Kubernetes environments using Kustomize overlays for configs and secrets.
OpenClaw Multi-Agent Team Deployment
Deploy multiple specialized OpenClaw agents as Kubernetes pods. Dedicated DevOps, security, and writing agents with shared workspace.
OpenClaw on OpenShift with SCCs and Routes
Deploy OpenClaw on OpenShift with Security Context Constraints, Routes for TLS termination, and OpenShift-specific considerations for non-root containers.
OpenClaw Operator for Kubernetes
Deploy OpenClaw AI agents on Kubernetes using the official operator. CRD-based lifecycle, Chromium sidecar, auto-update, and backup.
OpenClaw Webhook Automation on Kubernetes
Configure OpenClaw webhooks on Kubernetes for GitHub, Jira, and PagerDuty event-driven automation. Ingress routing, HMAC validation, and hook handler patterns.
Air-Gapped OpenShift with Quay Mirror
Deploy OpenShift in air-gapped environments with local Quay registry mirror, ImageDigestMirrorSet, and custom CatalogSources.
ArgoCD App of Apps Pattern Explained
Implement the ArgoCD App of Apps pattern to manage multiple applications from a parent Application for cluster bootstrapping.
ArgoCD App of Apps with Sync Waves
Combine the ArgoCD App of Apps pattern with sync waves to bootstrap entire clusters in dependency order, from CRDs and operators to application workloads.
ArgoCD ApplicationSets for Multi-Tenant GPUs
Use ArgoCD ApplicationSets to auto-discover and provision GPU tenant overlays from Git directories with per-tenant sync policies.
ArgoCD Declarative Application Setup
Define ArgoCD Applications, Projects, and repository credentials declaratively using Kubernetes manifests for reproducible GitOps configuration.
ArgoCD Multi-Cluster App of Apps
Manage multiple Kubernetes clusters with ArgoCD App of Apps, deploying shared infrastructure and cluster-specific workloads from a single GitOps repository.
Manage OperatorGroups with ArgoCD
Deploy and manage OLM OperatorGroup resources via ArgoCD for GitOps-driven operator lifecycle management in OpenShift namespaces.
ArgoCD PreSync and PostSync Hooks
Use ArgoCD PreSync hooks for database migrations and PostSync hooks for smoke tests, with SyncFail hooks for automated rollback and cleanup.
ArgoCD Sync Waves for Canary Deployments
Use ArgoCD sync waves for canary deployments with Istio traffic splitting, automated validation, and progressive rollout strategies.
ArgoCD Sync Waves for CRD & Operator Ordering
Use ArgoCD sync waves to deploy Custom Resource Definitions before operators and custom resources, preventing CRD race conditions in GitOps pipelines.
ArgoCD Sync Waves for Ordered Deployments
Use ArgoCD sync waves to control the order of Kubernetes resource deployment, ensuring dependencies like namespaces and CRDs are created before workloads.
ArgoCD Sync Waves for Database Migrations
Use ArgoCD sync waves and PreSync hooks to run database migrations before deploying application code, with rollback strategies.
CloudNativePG PostgreSQL Operator
Deploy highly available PostgreSQL clusters on Kubernetes using CloudNativePG operator with automated failover and backups.
CNPG Cluster Scaling and Upgrades
Scale CloudNativePG clusters, perform rolling PostgreSQL major upgrades, and manage storage expansion without downtime in Kubernetes.
GitOps Bootstrap for Bare-Metal GPU Clusters
Bootstrap bare-metal GPU clusters with ArgoCD and Kustomize in air-gapped environments with NVIDIA GPU and Network Operators.
GPU Operator Canary Upgrade Strategy
Safely upgrade NVIDIA GPU Operator using canary node pools, 48-hour bake periods, validation gates, and Git-based rollback.
MariaDB Operator on Kubernetes
Deploy highly available MariaDB clusters on Kubernetes using MariaDB Operator with Galera replication, automated backups, and connection pooling.
OpenClaw Blue-Green Deployment
Implement zero-downtime OpenClaw upgrades using blue-green deployments with traffic switching and rollback in Kubernetes.
Build a Custom OpenClaw Docker Image for K8s
Create an optimized Docker image for OpenClaw with pre-installed dependencies, custom skills, and workspace files for faster Kubernetes deployments.
Run an OpenClaw Discord Bot on Kubernetes
Deploy OpenClaw as a Discord bot on Kubernetes with channel routing, mention handling, group chat rules, and persistent conversation memory.
High Availability OpenClaw with Kubernetes
Run OpenClaw in a high-availability configuration on Kubernetes with health checks, automatic restarts, backup strategies, and monitoring for.
Deploy OpenClaw AI Gateway on Kubernetes
Deploy the OpenClaw multi-channel AI gateway on Kubernetes with persistent storage, TLS ingress, and high availability for WhatsApp, Telegram, Discord.
Multi-Agent Routing with OpenClaw
Configure multiple isolated AI agents in a single OpenClaw gateway on Kubernetes with per-agent workspaces, channel bindings, and session isolation.
Deploy an OpenClaw Signal Messenger Bot
Run OpenClaw as a Signal messenger AI assistant on Kubernetes with linked device pairing, end-to-end encryption, and persistent sessions.
Deploy an OpenClaw Telegram Bot on Kubernetes
Run OpenClaw as a Telegram bot on Kubernetes with BotFather setup, webhook configuration, inline commands, and persistent conversation history.
Self-Host an OpenClaw WhatsApp AI Assistant
Deploy OpenClaw on Kubernetes to run a personal WhatsApp AI assistant with QR code pairing, persistent sessions, media support, and allow-list security.
OpenShift BuildConfig with Local Quay Registry
Build container images on OpenShift and push to a local Quay registry using BuildConfig, ImageStream, and robot account credentials.
OpenShift BuildConfig with ImageStream
Build container images on OpenShift using BuildConfig with ImageStream triggers, pushing to internal registry or local Quay.
Kustomize Deployments with OpenShift GitOps
Use Kustomize overlays with the OpenShift GitOps Operator (ArgoCD) to manage environment-specific configurations across dev, staging, and production clusters.
OpenShift IDMS & install-config.yaml Mirror...
Configure ImageDigestMirrorSet and install-config.yaml imageContentSources for OpenShift disconnected installations with mirror registries.
OpenShift ITMS ImageTagMirrorSet
Configure ImageTagMirrorSet in OpenShift 4.13+ for tag-based image mirroring. Mirror container images by tag instead of digest for disconnected clusters.
OpenShift MachineConfigPool After ITMS
Monitor and manage MachineConfigPool rollouts after applying ImageTagMirrorSet in OpenShift. Handle node restarts, paused pools, and degraded states.
OpenShift Serverless KnativeServing
Deploy and configure OpenShift Serverless Operator with KnativeServing for autoscaling, scale-to-zero, and traffic splitting on Kubernetes.
Quay Robot Accounts for Kubernetes Image Pulls
Create Quay robot accounts and configure Kubernetes imagePullSecrets for automated container image pulls from private registries.
Automate NCCL Preflight Checks in CI/CD Pipelines
Run NCCL smoke benchmarks automatically in CI/CD pipelines before promoting GPU cluster changes to production, catching regressions early.
Run NCCL Tests with MPIJob on Kubernetes
Launch multi-pod NCCL benchmarks using MPIJob on Kubernetes for repeatable, automated distributed GPU communication testing across nodes.
Push a Podman-Saved Image to Local Quay
Load a Podman image tar archive, tag it for your Local Quay registry, authenticate with robot accounts, and push it safely to your private repo.
Retag and Push an Image in Local Quay
Pull an existing container image from Local Quay, retag it for a new repository path or version, and push the updated tag back to the registry.
How to Configure CronJob Concurrency Policy
Master Kubernetes CronJob concurrency policies to control parallel execution. Learn when to use Allow, Forbid, and Replace with real-world examples and.
How to Implement GitOps with Argo CD
Deploy and manage Kubernetes applications declaratively with Argo CD GitOps. Learn application deployment, sync strategies, multi-cluster management.
GitOps with Flux CD for Continuous Delivery
Implement GitOps workflows using Flux CD to automate Kubernetes deployments, manage infrastructure as code, and maintain desired cluster state from Git.
How to Create and Use Kubernetes Operators
Learn to build Kubernetes Operators for automating application management. Understand custom controllers, the Operator pattern, and frameworks like.
How to Use Multi-Container Pod Patterns
Master Kubernetes multi-container pod patterns including sidecar, ambassador, and adapter. Learn when and how to use each pattern for microservices.
Pod Priority and Preemption Scheduling Guide
Control Kubernetes scheduling with Pod Priority and Preemption. Learn to prioritize critical workloads and ensure important pods get scheduled first.
Pod Readiness Gates for Custom Conditions
Implement Pod Readiness Gates to add custom conditions that must be satisfied before a pod is considered ready for traffic, enabling integration with.
How to Implement A/B Testing with Kubernetes
Route traffic between application versions for A/B testing. Use service mesh, ingress, and custom routing rules to validate features with real users.
How to Deploy with Argo CD GitOps
Implement GitOps continuous deployment with Argo CD. Sync Kubernetes manifests from Git repositories automatically with declarative application management.
How to Implement Canary Deployments
Learn to implement canary deployments in Kubernetes for gradual rollouts. Use native features and Ingress-based traffic splitting for safe releases.
Implement Blue-Green and Canary Deployments
Deploy applications with zero downtime using blue-green and canary strategies. Configure traffic splitting, rollbacks, and progressive delivery.
How to Deploy with Flux GitOps
Implement GitOps continuous deployment with Flux CD. Automatically sync Kubernetes manifests and Helm releases from Git repositories.
How to Implement Graceful Shutdown
Ensure zero-downtime deployments with proper graceful shutdown. Handle SIGTERM signals, drain connections, and configure termination settings.
How to Use K8s Leases for Leader Election
Implement distributed coordination with Kubernetes Leases. Configure leader election, distributed locks, and high availability patterns.
K8s Probes: Liveness, Readiness, Startup
Configure Kubernetes probes for reliable apps. Complete guide to liveness, readiness, and startup probes with httpGet, tcpSocket, exec, and gRPC examples.
Configure Pod Affinity and Anti-Affinity
Control pod placement using affinity and anti-affinity rules. Co-locate related pods or spread them across nodes and zones for high availability.
How to Configure Pod Disruption Budgets
Protect application availability during voluntary disruptions. Configure PDBs to ensure minimum replicas during node drains, upgrades, and maintenance.
How to Implement Pod Disruption Budgets
Configure Pod Disruption Budgets (PDB) for high availability during voluntary disruptions. Ensure minimum availability during node maintenance and.
How to Configure Pod Lifecycle Hooks
Execute custom actions during pod startup and shutdown with lifecycle hooks. Implement graceful shutdown, initialization tasks, and cleanup operations.
How to Configure Pod Priority and Preemption
Set pod priorities to ensure critical workloads get scheduled first. Configure preemption to evict lower-priority pods when resources are scarce.
How to Use Pod Topology Spread Constraints
Distribute pods evenly across failure domains using topology spread constraints. Ensure high availability across zones, nodes, and custom topologies.
How to Use Sidecar Containers Effectively
Implement sidecar containers for logging, monitoring, proxying, and configuration management. Learn common sidecar patterns for microservices.
How to Manage Kubernetes StatefulSets
Deploy stateful applications with StatefulSets. Configure stable network identities, persistent storage, ordered deployment, and graceful scaling.
How to Use Taints and Tolerations
Control pod scheduling with taints and tolerations. Dedicate nodes for specific workloads, handle node conditions, and implement advanced scheduling.
Topology Spread Constraints for HA Workloads
Distribute pods across nodes, zones, and regions using topology spread constraints. Ensure high availability and fault tolerance for your workloads.
How to Implement Blue-Green Deployments
Learn how to implement blue-green deployments in Kubernetes for instant rollbacks and zero-downtime releases. Complete guide with Service switching.
How to Use Init Containers for Dependencies
Master Kubernetes init containers to handle dependencies, setup tasks, and pre-flight checks before your main application starts.
How to Deploy Jobs and CronJobs
Master Kubernetes Jobs and CronJobs for batch processing and scheduled tasks. Learn completion modes, parallelism, and failure handling.
Perform Rolling Updates with Zero Downtime
Master Kubernetes rolling updates to deploy new application versions without service interruption. Learn update strategies, rollback procedures, and.
K8s Readiness Probe: Complete YAML Guide
Kubernetes readiness probe explained with YAML examples. Configure HTTP, TCP, exec, and gRPC readiness probes with liveness and startup probe comparison.