AKAnusha Kothaincloudtalkswithanusha.hashnode.dev·4h ago · 6 min readHow to Upgrade a Kubernetes Cluster Without Downtime: A Complete Beginner's Guide (Part 1)Introduction Imagine you're working as a DevOps Engineer in a company that runs an e-commerce application on Kubernetes. Everything is working perfectly until one day the Kubernetes team announces a n00
AKAnusha Kothaincloudtalkswithanusha.hashnode.dev·4h ago · 6 min readKubernetes Cordon vs Drain Explained with Real-World ExamplesIntroduction Imagine you're a DevOps Engineer responsible for maintaining a Kubernetes cluster running a production application. One of your worker nodes needs a security update or hardware maintenanc00
Ddataakloudtexsinkloudtexs.hashnode.dev·Jul 30 · 5 min readDocker for Beginners: Why Every Developer Should Learn ContainerizationModern software development has changed dramatically over the past few years. Applications are expected to run consistently across different operating systems, deploy faster, and scale effortlessly. O00
MSManu Shuklainecorpit.hashnode.dev·Jul 30 · 16 min readDocker Compose 5.3 init containers: run setup before your app starts (2026 guide)Docker Compose 5.3 init containers: run setup before your app starts (2026 guide) Summary. Docker Compose 5.3.0, released on 2 July 2026, adds native pre_start init containers: short-lived containers 00
ACAngel Chavezinblog.it-anc.cloud·Jul 22 · 4 min readHow Containers Actually WorkI've been using containers for a while now without fully understanding what's going on under the hood. This week I went back to the fundamentals; what problem do containers solve, what do namespaces a00
SSamuelinchus.hashnode.dev·Jul 22 · 4 min readAWS ECS Architecture Explained: EC2 vs. Fargate Launch TypesWhen containerizing microservices on Amazon Web Services (AWS), Amazon Elastic Container Service (ECS) is often the primary orchestration platform. It handles container scheduling, rolling deployments00
VCVivian Chiamaka Okoseinvivianokose.hashnode.dev·Jul 17 · 5 min readI Deleted My Database on Purpose. It Was Back in 47 Seconds.There's a sentence I can't stop thinking about: A backup you have never restored is a wish, not a backup. Most engineers set up backups and never test them. The backup job runs every night, everyone f00
MTMd Tarikul Islaminfreecodecamp.org·Jul 16 · 20 min readHow to Implement PayPal in a Microservice Architecture Using NestJS, gRPC, and DockerIn this tutorial, you'll build a production-ready PayPal payment service using NestJS microservices. Along the way, you'll learn how to isolate payment logic into its own service, communicate between 00
JJJames Joynerinpyjoy.hashnode.dev·Jul 15 · 4 min readThe Docker Debugging Playbook: exec, logs, inspect & statsWhen a container misbehaves, the difference between a five-minute fix and a lost afternoon is usually knowing which command to reach for. Docker gives you a small, powerful toolkit for looking inside 00
JJJames Joynerinpyjoy.hashnode.dev·Jul 13 · 4 min readHardening a Docker Container: From Root to Least-Privilege in 8 StepsBy default, a Docker container runs its process as root, with a broad set of Linux capabilities, on a writable filesystem, able to make almost any syscall. That's convenient for getting started and te00
