The Digital Drift’s Blog

The Digital Drift’s Blog🚀 Technology is drifting. Here's where it lands.https://thedigitaldrift.inKubernetes pods — the smallest unit of deploymenthttps://thedigitaldrift.in/kubernetes-podshttps://thedigitaldrift.in/kubernetes-podsA pod is not a container. Understanding the distinction — and why Kubernetes uses pods as its fundamental unit — is the first conceptual step to working effectively with Kubernetes.Fri, 07 Mar 2025 00:00:00 GMTKubernetes — a beginner's guide to container orchestrationhttps://thedigitaldrift.in/kubernetes-beginners-guidehttps://thedigitaldrift.in/kubernetes-beginners-guideOnce you have more containers than you can manage manually, you need an orchestrator. Kubernetes is the standard — here's the architecture and the concepts you need to understand before running a single command.Fri, 21 Feb 2025 00:00:00 GMTBuild, deploy, and test a multi-container Docker applicationhttps://thedigitaldrift.in/docker-multi-container-apphttps://thedigitaldrift.in/docker-multi-container-appReal applications aren't single containers. Here's how to build a Node.js + MongoDB two-container setup, wire them together over a custom network, and push the image to Docker Hub.Fri, 07 Feb 2025 00:00:00 GMTDocker networking — how containers talk to each other and the outside worldhttps://thedigitaldrift.in/docker-networkinghttps://thedigitaldrift.in/docker-networkingDocker creates three networks by default and lets you create more. Understanding which driver to use and when is what separates working setups from broken ones.Fri, 24 Jan 2025 00:00:00 GMTDocker volumes — persistent storage for containers that need ithttps://thedigitaldrift.in/docker-volumeshttps://thedigitaldrift.in/docker-volumesContainers are ephemeral by design. Docker volumes are how you keep data alive across container restarts, removals, and re-deploys — here's how they work and when to use them.Fri, 17 Jan 2025 00:00:00 GMTDocker commands reference — everything you need for day-to-day operationshttps://thedigitaldrift.in/docker-commandshttps://thedigitaldrift.in/docker-commandsA practical reference for the Docker commands that cover 95% of real-world container operations, with context on when and why to use each one.Fri, 10 Jan 2025 00:00:00 GMTInstalling Docker on Linux — Ubuntu and CentOS / RHEL complete guidehttps://thedigitaldrift.in/docker-on-centoshttps://thedigitaldrift.in/docker-on-centosDocker installation varies more than it should across Linux distributions. Here's the complete path for both Ubuntu and CentOS/RHEL, including the offline method for air-gapped production servers.Sat, 21 Dec 2024 00:00:00 GMTDocker basics — images, containers, and the commands you'll use every dayhttps://thedigitaldrift.in/docker-basicshttps://thedigitaldrift.in/docker-basicsFrom installation to your first running container — including how Docker images actually work, every Dockerfile instruction, and how to keep image sizes under control.Sat, 07 Dec 2024 00:00:00 GMTWhat are containers? The concept that changed how we ship softwarehttps://thedigitaldrift.in/what-are-containershttps://thedigitaldrift.in/what-are-containersContainers are one of those ideas that sound abstract until you understand the problem they solve — then you can't imagine going back.Fri, 15 Nov 2024 00:00:00 GMT