AGAbhinav Guptaincutting-fat.hashnode.dev·1d ago · 4 min readCutting-fatHi People Today's mission: take a Go application from GitHub, containerise it, and then shrink its Docker image from 1.11 GB to just 69 MB — same app, same features, 16x smaller. So I found one that00
VCVivian Chiamaka Okoseinvivianokose.hashnode.dev·1d ago · 6 min readI Shrank My Docker Image From 1.11GB to 133MB, and That Was the Easy PartMy first Docker image was 1.11GB. The app inside it was a tiny delivery tracker that could have fit in a fraction of that. By the end of this module the image was 133MB, signed, scanned, non-root, and00
AKAnusha Kothaincloudtalkswithanusha.hashnode.dev·5d 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·5d 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 maintenanc01S
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
