Airflow Executors Deep Dive: From Local to Kubernetes
How Airflow executors work under the hood. SequentialExecutor, LocalExecutor, CeleryExecutor, and KubernetesExecutor compared with migration paths.
·16 min read · #airflow#executors#celery
#kubernetes
58 posts · page 1 of 2
Deploying Apache Airflow to Production
Run Airflow in production with Docker Compose, Helm on Kubernetes, or managed services. Covers monitoring, logging, security, and database backends.
·12 min read · #airflow#deployment#docker
Container Orchestration: Docker Swarm vs Kubernetes
Compare Docker Swarm and Kubernetes for container orchestration. Learn the architecture, setup, scaling, and networking of both platforms with practical examples.
·9 min read · #devops#kubernetes#docker-swarm
GitOps with ArgoCD: Deploy Kubernetes Apps Automatically
Learn GitOps principles and deploy Kubernetes applications with ArgoCD. Covers installation, app configuration, sync policies, multi-environment setups, and rollbacks.
·7 min read · #devops#gitops#argocd
Zero-Downtime Deployments: Strategies and Patterns
Master zero-downtime deployment strategies including rolling updates, blue-green, canary, and feature flags. Learn practical patterns for Kubernetes and cloud platforms.
·9 min read · #devops#deployments#zero-downtime
Kubernetes cert-manager: Automate TLS Certificates
Set up cert-manager in Kubernetes to automate TLS certificate provisioning with Let's Encrypt. Covers Issuers, Certificates, Ingress integration.
·7 min read · #kubernetes#cert-manager#tls
Kubernetes Cost Optimization: Right-Size Your Cluster
Reduce Kubernetes costs with right-sizing, autoscaling, spot instances, resource quotas, and monitoring. Practical strategies with real savings.
·9 min read · #kubernetes#cost-optimization#autoscaling
Kubernetes Kustomize: Manage Configs Without Helm
Learn Kustomize for Kubernetes config management. Covers overlays, patches, generators, and multi-environment deployments without templating.
·7 min read · #kubernetes#kustomize#configuration
Kubernetes Logging with Fluent Bit and Elasticsearch
Set up centralized Kubernetes logging with Fluent Bit, Elasticsearch, and Kibana. Covers DaemonSets, parsers, filters, and production tuning.
·8 min read · #kubernetes#logging#fluent-bit
CI/CD Deployment Strategies: Blue-Green, Canary, Rolling
Learn the most popular CI/CD deployment strategies including blue-green, canary, and rolling deployments with practical examples and configuration.
·9 min read · #cicd#deployment#blue-green
Health Checks and Readiness Probes Done Right
Design health check endpoints that actually help. Covers liveness vs readiness, dependency checks, degraded states, and Kubernetes probe configuration.
·7 min read · #backend#health-checks#kubernetes
Blue-Green vs Canary Deployments Explained
Compare blue-green and canary deployment strategies with practical examples to choose the right zero-downtime release approach for your team.
·6 min read · #devops#deployments#kubernetes
GitOps with ArgoCD for Kubernetes
A hands-on guide to implementing GitOps with ArgoCD: declarative deployments, sync policies, and multi-environment management.
·6 min read · #devops#gitops#argocd
GitOps Branching Strategies for Kubernetes
Design effective Git repository structures and branching strategies for GitOps-driven Kubernetes deployments with Flux and Argo CD.
·5 min read · #devops#gitops#kubernetes
Kubernetes Autoscaling with HPA, VPA, and KEDA
Master Kubernetes autoscaling using HPA for horizontal scaling, VPA for right-sizing, and KEDA for event-driven workloads.
·6 min read · #devops#kubernetes#autoscaling
Service Mesh with Istio: A Practical Introduction
Learn what a service mesh is, why Istio exists, and how to configure traffic management, observability, and mTLS for your microservices.
·5 min read · #devops#istio#kubernetes
Kubernetes DaemonSets Explained with Practical Examples
Learn how DaemonSets run exactly one pod per node for logging, monitoring, and networking agents. Includes tolerations and update strategies.
·6 min read · #kubernetes#daemonsets#workloads
Debugging Kubernetes Workloads with kubectl
A practical guide to debugging pods, services, and deployments with kubectl. Covers logs, exec, describe, events, and ephemeral debug containers.
·7 min read · #kubernetes#kubectl#debugging
Kubernetes Namespace Management and Multi-Tenancy
Organize workloads with Kubernetes namespaces. Learn resource quotas, limit ranges, RBAC scoping, and network policies for multi-tenant clusters.
·5 min read · #kubernetes#namespaces#multi-tenancy
Kubernetes Persistent Volumes and Storage Classes
Understand PersistentVolumes, PersistentVolumeClaims, and StorageClasses to give your Kubernetes workloads reliable, portable storage.
·6 min read · #kubernetes#storage#persistent-volumes
Kubernetes Taints and Tolerations: A Complete Guide
Control which pods can schedule on which nodes using Kubernetes taints and tolerations. Covers effects, use cases, and common pitfalls.
·6 min read · #kubernetes#taints#tolerations
Kubernetes Network Policies: Pod-to-Pod Security Guide
Lock down pod communication with Kubernetes NetworkPolicies. Learn ingress and egress rules, label selectors, and namespace isolation.
·6 min read · #kubernetes#network-policies#security
Kubernetes Resource Limits, Requests, and QoS Classes
Set CPU and memory requests and limits correctly. Understand QoS classes, OOMKilled errors, and CPU throttling in Kubernetes.
·7 min read · #kubernetes#resources#qos
Kubernetes Rolling Updates and Rollback Strategies
Master zero-downtime deployments with Kubernetes rolling updates, rollback commands, and deployment strategies like blue-green and canary.
·7 min read · #kubernetes#rolling-updates#deployments
Horizontal Pod Autoscaling in Kubernetes
A practical guide to Kubernetes Horizontal Pod Autoscaling: HPA resources, metrics server setup, CPU and memory-based scaling, custom metrics, scaling behavior tuning, and production best practices.
·8 min read · #kubernetes#scaling#intermediate
Ingress Controllers in Kubernetes
A practical guide to Kubernetes Ingress: Ingress resources, NGINX Ingress Controller setup, TLS termination, path-based and host-based routing, annotations, and production configuration.
·7 min read · #kubernetes#ingress#intermediate
Kubernetes Pods and Services Deep Dive
A deep dive into Kubernetes Pods and Services: pod lifecycle, multi-container patterns, init containers, probes, ClusterIP, NodePort, LoadBalancer, and service discovery.
·9 min read · #kubernetes#pods#intermediate
RBAC in Kubernetes: A Practical Guide
A practical guide to Kubernetes RBAC: Roles, ClusterRoles, RoleBindings, ClusterRoleBindings, ServiceAccounts, and real-world patterns for securing cluster access.
·8 min read · #kubernetes#security#intermediate
AWS EKS vs ECS vs Fargate: Choosing the Right Container Platform
A practical comparison of EKS, ECS, and Fargate covering control planes, pricing models, and when to choose each option for production container workloads.
·4 min read · #aws#containers#eks
Canary Deployments with Flagger Tutorial
Learn how to ship canary releases on Kubernetes using Flagger. Covers the control loop, metric analysis, traffic shifting, and how to roll back automatically when a release misbehaves.
·4 min read · #ci-cd#kubernetes#flagger
Kubernetes Pods vs Deployments
How Pods, ReplicaSets, and Deployments relate, why you almost never create Pods directly, and how rolling updates and rollbacks actually happen.
·5 min read · #kubernetes#containers#devops
Docker Compose vs Kubernetes: When to Use Which
A pragmatic comparison of Docker Compose and Kubernetes covering scope, operational cost, and the signals that tell you it is time to graduate.
·4 min read · #docker#kubernetes#compose
Docker Swarm vs Kubernetes: Which Orchestrator Fits You?
A practical comparison of Docker Swarm and Kubernetes. Understand their mental models, where each shines, common pitfalls, and how to choose for your team.
·4 min read · #docker#kubernetes#swarm
Kubernetes Cluster Upgrades and Pod Eviction Explained
How Kubernetes cluster upgrades drain nodes, how pod eviction works, and how PodDisruptionBudgets and graceful shutdown keep workloads safe during upgrades.
·4 min read · #kubernetes#k8s#upgrades
Kubernetes ConfigMaps and Secrets Tutorial
A practical walkthrough of ConfigMaps and Secrets in Kubernetes, including how to inject them as environment variables, mount as files, and rotate safely.
·4 min read · #kubernetes#configmap#secrets
Introduction to Kubernetes Helm Charts
Learn what Helm charts are, how templates and values work together, and how to package your own application for repeatable, parameterized Kubernetes deployments.
·4 min read · #kubernetes#helm#charts
Kubernetes Horizontal Pod Autoscaler Explained
Understand how HPA decides when to add or remove pods, the metrics it can scale on, and the tuning knobs that prevent flapping and runaway scaling.
·4 min read · #kubernetes#autoscaling#hpa
Kubernetes Ingress vs LoadBalancer vs NodePort Explained
Understand the three ways to expose a Kubernetes service to the outside world, the tradeoffs of each, and how to pick the right one for your workload.
·5 min read · #kubernetes#networking#ingress
Kubernetes Init Containers: A Practical Tutorial
Learn how Kubernetes init containers work, when to use them for setup tasks, and how to build robust pod initialization pipelines with real YAML examples.
·4 min read · #kubernetes#k8s#init-containers
Kubernetes Jobs vs CronJobs: Run Batch Work the Right Way
Compare Kubernetes Jobs and CronJobs with real YAML, retry semantics, and the gotchas that turn a simple nightly task into a 3 AM page.
·4 min read · #kubernetes#jobs#batch
Kubernetes Node Affinity and Anti-Affinity: A Practical Guide
Understand how nodeAffinity and podAntiAffinity steer the scheduler, with real YAML, hard vs soft rules, and the performance traps to avoid.
·4 min read · #kubernetes#scheduling#affinity
Kubernetes Networking: Services, kube-proxy, and CNI Plugins
How traffic actually flows in a Kubernetes cluster: the pod network, services, kube-proxy modes, and what a CNI plugin really does.
·4 min read · #kubernetes#networking#cni
Kubernetes Operators and CRDs: A Practical Introduction
How CustomResourceDefinitions extend the Kubernetes API and how operators encode operational knowledge as controllers reconciling desired state.
·4 min read · #kubernetes#operators#crd
Kubernetes Pod Disruption Budgets Explained
Learn how PodDisruptionBudgets keep your service available during voluntary disruptions like node drains, with real YAML and the failure modes to watch.
·4 min read · #kubernetes#availability#pdb
Kubernetes RBAC Cheatsheet: Roles, Bindings, and Service Accounts
A concise tour of Kubernetes RBAC: roles vs cluster roles, bindings, service accounts, and patterns that scale without becoming a permissions zoo.
·4 min read · #kubernetes#rbac#security
Kubernetes Readiness vs Liveness Probes: A Practical Guide
Understand the difference between readiness and liveness probes in Kubernetes, when to use each, and how to configure them safely in production workloads.
·4 min read · #kubernetes#k8s#probes
Kubernetes Resource Requests and Limits Explained
What requests and limits really do, how they interact with the scheduler and the OOM killer, and how to set them without overpaying or getting throttled.
·4 min read · #kubernetes#resources#scheduling
Kubernetes Secrets: Best Practices for Production
Practical patterns for managing Kubernetes Secrets safely: encryption at rest, external secret stores, RBAC scoping, rotation, and avoiding common leaks.
·4 min read · #kubernetes#k8s#secrets