--- title: "#docker articles | Hashnode" description: "Docker is a computer program that performs operating-system-level virtualization also known as containerization. It is developed by Docker, Inc." url: "https://hashnode.com/tag/docker" --- Tag # #docker 13,692 posts · 19,272 followers [Naveed Ahmed](https://hashnode.com/@naveedkumbhar) · [11h ago](https://hashnode.com/posts/docker-interview-questions-2026-how-to-think-like-a-production-engineer/6af864b4e5f8752ed368de61) ### [Docker Interview Questions 2026: How to Think Like a Production Engineer](https://naveedkumbhar.hashnode.dev/docker-interview-questions-2026-how-to-think-like-a-production-engineer?utm_source=hashnode&utm_medium=feed) Docker interview questions and answers, Docker scenario-based interview questions, Docker DevOps interview 3 min read · [naveedkumbhar.hashnode.dev](https://naveedkumbhar.hashnode.dev/docker-interview-questions-2026-how-to-think-like-a-production-engineer?utm_source=hashnode&utm_medium=feed) [LnP Infotech](https://hashnode.com/@lnpinfotech) · [1d ago](https://hashnode.com/posts/kubernetes-vs-docker-understanding-their-roles-in-application-deployment/6af6fcb5a858fed8b2ccefd9) ### [Kubernetes vs. Docker: Understanding Their Roles in Application Deployment](https://lnpinfotech.hashnode.dev/kubernetes-vs-docker-understanding-their-roles-in-application-deployment?utm_source=hashnode&utm_medium=feed) Understand Kubernetes vs. Docker, how they work together, their key differences, and which technology suits your application deployment needs. 11 min read · [lnpinfotech.hashnode.dev](https://lnpinfotech.hashnode.dev/kubernetes-vs-docker-understanding-their-roles-in-application-deployment?utm_source=hashnode&utm_medium=feed) [Alfaz Mahmud Rizve](https://hashnode.com/@alfazreviews) · [1d ago](https://hashnode.com/posts/self-host-n8n-3-0-on-vultr-the-docker-setup-3-0-kills-npm-installs/6af6a7f5732481eb28411b5a) ### [Self-host n8n 3.0 on Vultr: the Docker setup (3.0 kills npm installs)](https://alfazreviews.hashnode.dev/self-host-n8n-3-0-on-vultr-the-docker-setup-3-0-kills-npm-installs?utm_source=hashnode&utm_medium=feed) Disclosure: this piece contains affiliate links. If you sign up through them, I earn a commission at no extra cost to you. n8n 3.0 shipped as a beta on 27 October 2026. Stable is planned for early Dec 5 min read · [alfazreviews.hashnode.dev](https://alfazreviews.hashnode.dev/self-host-n8n-3-0-on-vultr-the-docker-setup-3-0-kills-npm-installs?utm_source=hashnode&utm_medium=feed) [Varun Varde](https://hashnode.com/@varunvarde) · [1d ago](https://hashnode.com/posts/an-alert-fires-at-3-am-and-the-runbook-is-outdated-how-do-you-keep-runbooks-alive/6af6b4ff0b397297992d1b0b) ### [An alert fires at 3 AM and the runbook is outdated. How do you keep runbooks alive?](https://varunvarde.hashnode.dev/an-alert-fires-at-3-am-and-the-runbook-is-outdated-how-do-you-keep-runbooks-alive?utm_source=hashnode&utm_medium=feed) Learn how to maintain living DevOps runbooks with automation, ownership, CI/CD validation, incident reviews, and game days. 22 min read · [varunvarde.hashnode.dev](https://varunvarde.hashnode.dev/an-alert-fires-at-3-am-and-the-runbook-is-outdated-how-do-you-keep-runbooks-alive?utm_source=hashnode&utm_medium=feed) [vanesa Martin](https://hashnode.com/@vanesamartin) · [1d ago](https://hashnode.com/posts/how-aws-devops-works-building-and-automating-a-complete-ci-cd-pipeline/6af6ad7a962f00f96f2ac732) ### [How AWS DevOps Works: Building and Automating a Complete CI/CD Pipeline](https://vanesamartin.hashnode.dev/how-aws-devops-works-building-and-automating-a-complete-ci-cd-pipeline?utm_source=hashnode&utm_medium=feed) Build a complete AWS CI/CD pipeline using GitHub, CodePipeline, CodeBuild, Docker, ECR, and ECS Fargate, with hands-on steps and troubleshooting. 31 min read · [vanesamartin.hashnode.dev](https://vanesamartin.hashnode.dev/how-aws-devops-works-building-and-automating-a-complete-ci-cd-pipeline?utm_source=hashnode&utm_medium=feed) [SnapDeploy](https://hashnode.com/@SnapDeploy) · [1d ago](https://hashnode.com/posts/render-free-tier-migration-docker-host/6af699dc0d008752e5d4ea60) ### [Leaving Render's free tier: when it makes sense, when it doesn't, and the four steps to a Docker host](https://snapdeploy.hashnode.dev/render-free-tier-migration-docker-host?utm_source=hashnode&utm_medium=feed) Render's free tier is good for one always-available service. When you outgrow 750 shared hours, 0.1 CPU or the 30-day database, here is how to move to a Docker host, and what you give up. 7 min read · [snapdeploy.hashnode.dev](https://snapdeploy.hashnode.dev/render-free-tier-migration-docker-host?utm_source=hashnode&utm_medium=feed) [Noah Grinstein](https://hashnode.com/@noahcontrolplane) · [2d ago](https://hashnode.com/posts/what-actually-happens-in-the-30-seconds-after-kubectl-drain-illustrated/6af6287ea0f8e5c6b8cd193e) ### [What Actually Happens in the 30 Seconds After kubectl drain (Illustrated)](https://controlplane-eng.hashnode.dev/what-actually-happens-in-the-30-seconds-after-kubectl-drain-illustrated?utm_source=hashnode&utm_medium=feed) Cordon, evictions, PodDisruptionBudgets, preStop, SIGTERM, and the endpoint race that drops requests during routine node maintenance 7 min read · [controlplane-eng.hashnode.dev](https://controlplane-eng.hashnode.dev/what-actually-happens-in-the-30-seconds-after-kubectl-drain-illustrated?utm_source=hashnode&utm_medium=feed) [Doug Niccum](https://hashnode.com/@dougniccum) · [2d ago](https://hashnode.com/posts/aws-environment-variables-compared/6af5cd9c2deb35d1c0badf30) ### [How AWS Environment Variables Work (and How They Compare)](https://notes.secretstash.cloud/aws-environment-variables-compared?utm_source=hashnode&utm_medium=feed) Where AWS, GitLab CI, Jenkins, Docker Compose, and Python store, scope, and expose env vars, and which value wins. 12 min read · [notes.secretstash.cloud](https://notes.secretstash.cloud/aws-environment-variables-compared?utm_source=hashnode&utm_medium=feed) [anders lee](https://hashnode.com/@anderslee) · [2d ago](https://hashnode.com/posts/exec-format-error-images-built-on-an-apple-silicon-mac-running-on-an-x86-server/6af5b99c2a527ab050c0d0c0) ### [exec format error": images built on an Apple Silicon Mac, running on an x86 server](https://anders.hashnode.dev/exec-format-error-images-built-on-an-apple-silicon-mac-running-on-an-x86-server?utm_source=hashnode&utm_medium=feed) The image runs fine on your Mac. You push it, pull it on a cloud server, and the container exits immediately: exec /app: exec format error The image isn't corrupted. It was built for the wrong CPU. A 4 min read · [anders.hashnode.dev](https://anders.hashnode.dev/exec-format-error-images-built-on-an-apple-silicon-mac-running-on-an-x86-server?utm_source=hashnode&utm_medium=feed) [Ishan Nerlekar](https://hashnode.com/@ishan-) · [3d ago](https://hashnode.com/posts/a-second-look-auditing-terminal-bench-4-0-after-the-big-audit/6af499c4d03a0c139aa7ca99) ### [A second look: auditing Terminal-Bench 4.0 after the big audit](https://thegradersaidyes.hashnode.dev/a-second-look-auditing-terminal-bench-4-0-after-the-big-audit?utm_source=hashnode&utm_medium=feed) I ran a cheap test-reading audit on Terminal-Bench 4.0 after a major audit. All 24 wrong solutions passed; 10 were already known, 9 were new. 8 min read · [thegradersaidyes.hashnode.dev](https://thegradersaidyes.hashnode.dev/a-second-look-auditing-terminal-bench-4-0-after-the-big-audit?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/a-second-look-auditing-terminal-bench-4-0-after-the-big-audit/6af499c4d03a0c139aa7ca99)