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Cloud & DevOps

Cloud platforms, CI/CD pipelines, infrastructure as code, containerization, and automation

69 posts

Karpenter Not Scaling Up Nodes: Causes and Fixes (2026)

Cloud & DevOpsAugust 16, 2026

Karpenter not scaling up nodes? Work through the documented causes in order — NodePool and EC2NodeClass readiness, limits, requirements, taints, and CNI IPs.

#karpenter #kubernetes autoscaling

Docker Compose depends_on Not Waiting? Fix It (2026)

Cloud & DevOpsJuly 27, 2026

Docker Compose depends_on not waiting for your service to be ready? Fix it with condition: service_healthy, a proper healthcheck, and start_period in 2026.

#docker compose #depends_on

cert-manager Certificate Stuck Pending? Debug & Fix (2026)

Cloud & DevOpsJuly 8, 2026

cert-manager Certificate stuck in pending? Debug the Certificate to Challenge resource chain and fix the HTTP-01, DNS-01, and Let's Encrypt rate-limit causes.

#cert-manager #kubernetes

helm upgrade --install: Idempotent Deploys (2026)

Cloud & DevOpsJuly 1, 2026

helm upgrade --install installs a release if it's missing and upgrades it if it exists — one idempotent command. See the Helm 4 flags, gotchas, and CI pattern.

#helm #helm 4

Custom Prometheus Metrics in Node.js + Express (2026)

Cloud & DevOpsJune 29, 2026

Add Prometheus metrics to a Node.js + Express app with prom-client: a /metrics endpoint, custom counters and histograms, and safe low-cardinality labels.

#prometheus #node.js

GitHub Actions: Reusable Workflow vs Composite Action 2026

Cloud & DevOpsJune 26, 2026

Reusable workflow vs composite action in GitHub Actions: jobs vs steps, secrets, nesting limits, and outputs—plus exactly when to use each, with YAML.

#github actions #reusable workflows

kubectl debug Ephemeral Containers: No-Shell Pods 2026

Cloud & DevOpsJune 25, 2026

Debug a no-shell distroless pod with kubectl debug and ephemeral containers: the --target flag, /proc filesystem access, and CrashLoopBackOff pod copies.

#kubernetes #kubectl

Migrate Terraform to OpenTofu in 2026: Encrypt Your State

Cloud & DevOpsJune 23, 2026

Migrate Terraform to OpenTofu with a clean tofu init -upgrade, then encrypt your existing state using PBKDF2 and AES-GCM. A step-by-step, runnable 2026 guide.

#opentofu #terraform

Vitest Coverage Thresholds: Fail CI on Low Coverage (2026)

Cloud & DevOpsJune 23, 2026

Set Vitest coverage thresholds that fail CI when coverage drops. Vitest 4 nested config, per-file and glob gates, plus a runnable GitHub Actions workflow.

#vitest #coverage

Deploy a Node.js App to a VPS with Kamal 2 (2026)

Cloud & DevOpsJune 21, 2026

Deploy a Node.js app to a VPS with Kamal 2: a from-scratch Docker setup with zero-downtime deploys, automatic Let's Encrypt SSL, and a Postgres accessory.

#kamal #node.js

AWS CDK Testing in TypeScript: Test Before Deploy 2026

Cloud & DevOpsJune 18, 2026

Learn AWS CDK testing in TypeScript: write fine-grained assertions, snapshot tests, and Aspect validation with Jest to catch infra bugs before you deploy.

#aws cdk #typescript

Resize Kubernetes Pods Without Restart (2026 Guide)

Cloud & DevOpsJune 16, 2026

Resize a running Kubernetes pod's CPU and memory without restarting it using in-place resize: kubectl commands, resizePolicy, QoS rules, and limitations.

#kubernetes #in-place pod resize

Kubernetes Native Sidecar Containers: 2026 Guide

Cloud & DevOpsJune 14, 2026

Kubernetes native sidecar containers, stable since v1.33: how a restartPolicy Always init container fixes startup order, Job completion, and graceful shutdown.

#kubernetes #native sidecar

OpenTelemetry Collector + Node.js Tracing Tutorial (2026)

Cloud & DevOpsJune 13, 2026

Instrument a Node.js app with OpenTelemetry, run the Collector and Jaeger v2 in Docker, and view distributed traces. Every version pinned and verified, 2026.

#opentelemetry #opentelemetry collector

Kubernetes Zero-Downtime Deployments: 2026 Hands-On Guide

Cloud & DevOpsJune 9, 2026

Achieve true zero-downtime Kubernetes deployments: rolling updates, readiness probes, preStop hooks, and graceful SIGTERM draining. Runnable 2026 guide.

#kubernetes #zero-downtime deployment

GitHub Actions OIDC to Google Cloud: Keyless Deploys (2026)

Cloud & DevOpsJune 5, 2026

Authenticate GitHub Actions to Google Cloud with Workload Identity Federation: pool, provider, attribute conditions, and a keyless Cloud Run deploy (2026).

#github actions #workload identity federation

GitHub Actions Multi-Account AWS OIDC Role Chaining (2026)

Cloud & DevOpsMay 30, 2026

Hands-on tutorial: deploy to multiple AWS accounts from GitHub Actions with one OIDC hub role, sts:TagSession, role-chaining: true, and the 1-hour cap (2026).

#github actions #oidc

GitHub Actions OIDC to AWS: Keyless Terraform (2026)

Cloud & DevOpsMay 27, 2026

Deploy Terraform to AWS from GitHub Actions with no long-lived secrets — configure-aws-credentials v6, IAM role trust policy, sub-claim hardening (2026).

#github actions #oidc

Terraform S3 State Locking Without DynamoDB (2026)

Cloud & DevOpsMay 25, 2026

Enable Terraform S3 native state locking with use_lockfile - no DynamoDB table required. Set up the backend, migrate an existing project, lock down IAM.

#terraform #s3

Deploy Bun + Hono on Fly.io: 2026 Production Guide

Cloud & DevOpsMay 21, 2026

Deploy a production Bun + Hono app on Fly.io: multi-stage Bun Dockerfile, fly.toml with auto-stop machines and health checks, secrets, and graceful shutdown.

#bun #hono

Cloudflare Workers Observability Tutorial 2026

Cloud & DevOpsMay 17, 2026

Production Cloudflare Workers observability in 2026: enable Workers Logs, head sampling, wrangler tail, and export OTel traces and logs to Sentry.

#cloudflare #cloudflare-workers

Caddy Docker Compose Reverse Proxy: Production HTTPS 2026

Cloud & DevOpsMay 11, 2026

Hands-on 2026 tutorial: Caddy 2.11.2 Docker Compose reverse proxy with automatic HTTPS, security headers, zero-downtime reloads, and Cloudflare DNS wildcards.

#caddy #docker

Migrate Ingress to Kubernetes Gateway API: 2026 Tutorial

Cloud & DevOpsMay 10, 2026

Step-by-step migration from ingress-nginx to Kubernetes Gateway API with ingress2gateway 1.0, HTTPRoute, canary splits, and a tested rollback in 2026.

#kubernetes #gateway api

Cloudflare Workers + R2 Image CDN: 2026 Tutorial

Cloud & DevOpsMay 8, 2026

Hands-on 2026 tutorial: build a production image CDN with Cloudflare Workers + R2 — IMAGES binding, edge caching, signed URLs, AVIF/WebP negotiation.

#cloudflare #cloudflare-workers

Infrastructure as Code (IaC) Fundamentals: A Complete 2026 Guide

Cloud & DevOpsMay 5, 2026

Infrastructure as Code fundamentals for 2026: Terraform, OpenTofu, Pulumi, Crossplane. State management, modules, and the patterns teams actually ship with.

#Infrastructure as Code #DevOps

Mastering Docker Best Practices for 2026

Cloud & DevOpsMay 5, 2026

A deep, hands-on guide to Docker best practices — from image optimization and security hardening to CI/CD integration and production readiness, refreshed for Docker Engine 29 and Compose v2.

#Docker #DevOps

DevOps: The Ultimate Guide (2026)

Cloud & DevOpsMarch 30, 2026

Master DevOps in 2026: CI/CD pipelines, GitOps, Platform Engineering, DevSecOps, supply chain security, and the DORA metrics that elite teams track.

#devops #CI/CD

The $700B AI Infrastructure Race: Who Wins in 2026?

Cloud & DevOpsMarch 30, 2026

Big Tech is spending $700B on AI infrastructure in 2026. Here is what Amazon, Google, Meta, Microsoft, and Oracle are building and whether it will pay off.

#AI infrastructure #hyperscaler spending

Docker Mastery: A Developer's Guide

Cloud & DevOpsMarch 28, 2026

Docker mastery for developers: consistent environments, layered images, Compose for multi-service apps, production hardening, and the commands you use daily.

#docker tutorial #docker beginner

GPU Cloud TCO 2026: Hidden Fees, Egress Costs, Real Spend

Cloud & DevOpsMarch 28, 2026

Beyond hourly rates — true GPU cloud TCO in 2026: egress, storage, commitment discounts, and what AI training and inference actually cost per month.

#GPU cloud #AI infrastructure

GPU Cloud Comparison 2026: RunPod, Vast.ai & Thunder vs AWS

Cloud & DevOpsMarch 28, 2026

Specialized GPU clouds cost 60–85% less than AWS. RunPod, Vast.ai, Thunder Compute, and Northflank benchmarked for AI training and inference in 2026.

#GPU cloud #AI infrastructure

AWS vs GCP vs Azure GPU Pricing 2026 (With Real Numbers)

Cloud & DevOpsFebruary 25, 2026

Side-by-side AWS, GCP, and Azure GPU pricing for AI training in 2026. H100 and A100 hourly rates, hidden costs, and when hyperscalers beat cheaper clouds.

#cloud computing #GPU

Building a Modern Monitoring Strategy That Actually Works

Cloud & DevOpsJanuary 23, 2026

A deep-dive guide to implementing a scalable, secure, and actionable monitoring strategy — from metrics and logs to alerting and observability best practices.

#monitoring #observability

Linux Command Mastery: The Ultimate Guide for Power Users

Cloud & DevOpsJanuary 23, 2026

Linux command mastery for power users: piping, awk, sed, xargs, tmux, and the shell-scripting patterns senior engineers use daily for automation at scale.

#linux #command-line

Mastering Travis CI Configuration: From Basics to Production

Cloud & DevOpsJanuary 21, 2026

Travis CI from .travis.yml basics to production pipelines — matrix builds, secure env vars, caching, deploy stages, and conditional jobs that scale.

#Travis CI #CI/CD

Error Budgets: Reliability vs Innovation

Cloud & DevOpsJanuary 19, 2026

Error budget management for SRE: link SLOs to release velocity, deal with budget burn, and balance reliability vs. shipping speed on real engineering teams.

#SRE #error budgets

Mastering Linux Server Administration: A Complete 2026 Guide

Cloud & DevOpsJanuary 12, 2026

Linux server administration in 2026 — provisioning, hardening, monitoring, backups, performance tuning, and automation from single VPS to hyperscale fleets.

#Linux #Server Administration

Mastering Edge Function Development: A Complete Practical Guide

Cloud & DevOpsJanuary 10, 2026

A deep dive into developing, deploying, and scaling edge functions — with real-world examples, performance insights, and security best practices.

#edge computing #serverless

Edge Deployment in the Cloud-Native Era: Speed, Scale, and Smarts

Cloud & DevOpsJanuary 7, 2026

Edge deployment in the cloud-native era: Cloudflare Workers, Deno Deploy, Vercel Edge, Lambda@Edge — speed, scale trade-offs, and the workloads each wins.

#edge computing #cloud native

Mastering SRE Practices: A Complete 2025 Guide

Cloud & DevOpsJanuary 4, 2026

SRE practices for 2026: SLIs, SLOs, error budgets, incident management, observability — the core framework reliable teams actually use in production.

#SRE #DevOps

Playwright + GitLab + Serverless APIs: Testing at the Edge

Cloud & DevOpsJanuary 4, 2026

Learn how to integrate Playwright with GitLab CI/CD pipelines and serverless APIs to build fast, scalable, and reliable end-to-end testing at the edge.

#Playwright #GitLab CI

Building Sustainable Systems: Environmental Tech Meets Pandas, Pods, and Go Microservices

Cloud & DevOpsJanuary 2, 2026

Sustainable systems where environmental tech meets Pandas, Kubernetes pods, and Go microservices — data-driven architectures for climate-conscious engineering.

#environmental tech #pandas

Mastering Container Orchestration: A Complete Practical Guide

Cloud & DevOpsDecember 31, 2025

A deep, hands-on guide to container orchestration — from Kubernetes fundamentals to production-grade scaling, monitoring, and security best practices.

#container orchestration #kubernetes

Mastering Python Scripting Automation: From Basics to Production

Cloud & DevOpsDecember 28, 2025

Python scripting automation: from basics to production — schedulers, error handling, logging, retries, and the patterns that make scripts reliable at scale.

#python #automation

Building a Reliable Logging Infrastructure from Scratch

Cloud & DevOpsDecember 27, 2025

Build reliable logging infrastructure: structured JSON logs, centralized collection (Loki, CloudWatch), retention, and the observability patterns that scale.

#logging #observability

Mastering Cloud Native Fundamentals: The Modern Way to Build Software

Cloud & DevOpsDecember 26, 2025

Cloud native fundamentals in 2026: containers, orchestration, service mesh, observability — designing software for cloud, not just deploying legacy apps to it.

#cloud native #containers

Mastering Python Stress Testing in DevSecOps Pipelines

Cloud & DevOpsDecember 26, 2025

A deep dive into using Python for stress testing within DevSecOps workflows — complete with code examples, performance tuning, and real-world insights.

#python #devsecops

Low-Code Development, Git Cherry-Pick, and Edge Security: Building, Monitoring, and Protecting Modern Apps

Cloud & DevOpsDecember 25, 2025

A deep dive into how low-code platforms, Git cherry-picking, and edge security converge to shape modern application development, monitoring, and deployment.

#low-code #application monitoring

Mastering AWS Lambda Development: A Complete Guide

Cloud & DevOpsDecember 23, 2025

Learn how to build, secure, test, and scale AWS Lambda functions like a pro. Includes real-world examples, performance insights, and hands-on code walkthroughs.

#AWS Lambda #serverless

Platform Engineering Teams: Building the Backbone of Modern DevOps

Cloud & DevOpsDecember 17, 2025

Platform engineering teams in 2026: internal developer platforms (IDPs), golden paths, self-service infra, and where platform sits between dev and SRE teams.

#platform engineering #DevOps

Mastering GitOps Workflow Patterns: From Commit to Cluster

Cloud & DevOpsDecember 16, 2025

Explore GitOps workflow patterns in depth — learn how to automate deployments, manage clusters declaratively, and scale infrastructure with confidence.

#GitOps #DevOps

Inclusive Pipelines: Azure DevOps & Datadog

Cloud & DevOpsDecember 12, 2025

Build inclusive software pipelines in 2026: accessibility testing in Azure DevOps, Datadog perf monitoring, and the a11y gates every CI should include today.

#assistive technology #azure devops

Becoming a Site Reliability Engineer: The Complete 2025 Guide

Cloud & DevOpsDecember 4, 2025

Become a Site Reliability Engineer in 2026: SLIs, SLOs, error budgets, observability, and the on-call patterns separating senior SREs from juniors.

#Site Reliability Engineering #DevOps

Building Real‑Time Burndown Dashboards with Netlify Edge, Bubble, and REST APIs

Cloud & DevOpsNovember 18, 2025

Real-time burndown dashboards with Netlify Edge, Bubble, and REST APIs: serverless logic close to users, no-code UI, and the plumbing that ties them together.

#Netlify Edge #Bubble

Mastering GitOps: The Future of Cloud-Native Operations

Cloud & DevOpsNovember 13, 2025

GitOps in practice: Argo CD, Flux, declarative infrastructure, and how teams turn Git into the single source of truth for both code and deployed environments.

#GitOps #DevOps

Harnessing Quantum Computing for Real-World Applications in 2025

Cloud & DevOpsNovember 12, 2025

Quantum computing in 2025: cryptography, drug discovery, logistics, and finance. Qiskit, Cirq, Braket workflows, hardware tiers, and real early deployments.

#quantum computing #Qiskit

Serverless at the Edge: Deep Dive into AWS Lambda@Edge

Cloud & DevOpsNovember 12, 2025

Serverless at the edge: AWS Lambda@Edge with CloudFront. Auth, redirects, header rewrites, and the cold-start limits you have to design around in production.

#AWS #Lambda@Edge

AWS Outages 2023 and 2025: When the Internet Backbone Faltered

Cloud & DevOpsOctober 25, 2025

AWS outages in 2023 and 2025, decoded: what actually failed, how the blast radius spread, and the multi-region patterns teams are building in response.

#AWS #cloud computing

Podman vs Docker: The 2026 Container Showdown

Cloud & DevOpsOctober 13, 2025

Podman vs Docker in 2026: daemon-less and rootless containers, Kubernetes compatibility, migration steps, and when each wins on security or DevOps workflow.

#Podman #Docker

Amazon EC2 M8a Instances: Power, Price, and Performance Refined

Cloud & DevOpsOctober 10, 2025

Amazon EC2 M8a instances: 5th-gen AMD EPYC Turin for general-purpose workloads. Verified specs, AWS performance claims vs M7a/M6a, and when M8a is worth the upgrade.

#AWS #EC2

Docker vs Kubernetes: A Real-World Guide

Cloud & DevOpsSeptember 26, 2025

A deep dive into Docker and Kubernetes — what they are, how they differ, when to use each, and how they work together in modern cloud-native development.

#Docker #Kubernetes

Mastering iOS App Store Submission and Xcode Cloud CI/CD Automation

Cloud & DevOpsSeptember 22, 2025

iOS App Store submission + Xcode Cloud CI/CD: certificates, provisioning, TestFlight, build automation, and the review pitfalls to plan around up front.

#startups #devops

Cloud Computing, DevOps & Beyond: The Modern Engineering Stack

Cloud & DevOpsSeptember 18, 2025

Cloud computing + DevOps in 2026: the engineering stack that replaced racking servers — Kubernetes, IaC, CI/CD, observability, and a team shape that ships.

#cloud computing #devops

Unlocking the Power of DevOps: A Comprehensive Guide

Cloud & DevOpsSeptember 18, 2025

DevOps in depth: CI/CD pipelines, Infrastructure as Code with Terraform, observability, and the cultural shifts that actually make it work in practice.

#DevOps #Software Development

Unlocking the Power of Cloud: How Google Cloud Secures AI Workflows

Cloud & DevOpsSeptember 17, 2025

Discover how Google Cloud's Model Context Protocol (MCP) is transforming AI workflows with robust security measures and new capabilities for developers.

#Cloud #Google Cloud

Cloud Computing Core Concepts and Career Tips you Need to Know

Cloud & DevOpsUpdated: March 27, 2026

Cloud computing explained: AWS vs. Azure vs. GCP, IaaS vs. PaaS vs. SaaS, and the cloud certifications and career moves that actually pay off in 2026.

#cloud-computing #aws

Essential Linux Commands Every DEVOPS Engineer Should Know Part 1

Cloud & DevOpsUpdated: March 27, 2026

Essential Linux commands for DevOps (Part 1): file and text tools plus modern alternatives like eza, bat, fd, ripgrep, and container-aware utilities.

#linux #devops

Essential Linux Commands Every DEVOPS Engineer Should Know Part2

Cloud & DevOpsUpdated: March 27, 2026

Essential Linux commands for DevOps (Part 2): ss, ip, curl, dig for networking plus docker exec, kubectl exec, and crictl for container debugging.

#linux #devops

Essential Linux Commands Every DevOps Engineer Should Know (Part 1, 2025 Edition)

Cloud & DevOpsUpdated: September 14, 2025

Essential Linux commands every DevOps engineer uses in 2025 — Kubernetes workflows, AWS EC2 admin, CI/CD scripting, and the shell tools that matter today.

#linux #devops