---
title: "dumpala Abhigna (@abhignadumpala) | Hashnode"
description: "abhigna. Read the latest articles by dumpala Abhigna on Hashnode."
url: "https://hashnode.com/@abhignadumpala"
---

@abhignadumpala

# dumpala Abhigna

@abhignadumpala · Joined February 2026

abhigna

### [Docker file explanation in simple(single and multistage dockerfile)](https://masteringdocker.hashnode.dev/docker-file-explanation-in-simple-single-and-multistage-dockerfile?utm_source=hashnode&utm_medium=feed)

Let’s break this Dockerfile down step by step in simple terms. This Dockerfile builds a container for a Node.js application. 📦 Full Dockerfile FROM node:18 WORKDIR /app COPY package\*.json ./ RUN npm

8 min read · [masteringdocker.hashnode.dev](https://masteringdocker.hashnode.dev/docker-file-explanation-in-simple-single-and-multistage-dockerfile?utm_source=hashnode&utm_medium=feed)

[Aug 3](https://hashnode.com/posts/docker-file-explanation-in-simple-single-and-multistage-dockerfile/6a7110378c0863c7dcc83fc9)

### [Docker & Kubernetes in action. 🐳☸️ Part 3 — Everything That Broke (and How I Fixed It)](https://mydevopsplaybook.hashnode.dev/docker-kubernetes-in-action-part-3-everything-that-broke-and-how-i-fixed-it?utm_source=hashnode&utm_medium=feed)

In Part 1, I explained why Docker exists. In Part 2, I walked through deploying my 3-tier app on my own Kubernetes home lab. This post is different. This is the messy part, every real error I hit buil

10 min read · [mydevopsplaybook.hashnode.dev](https://mydevopsplaybook.hashnode.dev/docker-kubernetes-in-action-part-3-everything-that-broke-and-how-i-fixed-it?utm_source=hashnode&utm_medium=feed)

[Jul 29](https://hashnode.com/posts/docker-kubernetes-in-action-part-3-everything-that-broke-and-how-i-fixed-it/6a694a8410fc4cc291220760)

### [Docker & Kubernetes in action. 🐳☸️ Part 2 — I created my own Kubernetes homelab setup](https://mydevopsplaybook.hashnode.dev/docker-kubernetes-in-action-part-2-i-created-my-own-kubernetes-homelab-setup?utm_source=hashnode&utm_medium=feed)

In Part 1, I explained why Docker exists. Now let me show you where I used it, on real hardware, sitting on my desk. 👇 The setup Instead of spinning up a cluster on the cloud, I built my own Kuberne

4 min read · [mydevopsplaybook.hashnode.dev](https://mydevopsplaybook.hashnode.dev/docker-kubernetes-in-action-part-2-i-created-my-own-kubernetes-homelab-setup?utm_source=hashnode&utm_medium=feed)

[Jul 22](https://hashnode.com/posts/docker-kubernetes-in-action-part-2-i-created-my-own-kubernetes-homelab-setup/6a6142902d49b30692cc2102)

### [📦 Understanding Amazon EBS (Elastic Block Store) — Simple Guide](https://aws-deep-dive.hashnode.dev/understanding-amazon-ebs-elastic-block-store-simple-guide?utm_source=hashnode&utm_medium=feed)

1\. 💾 What is Amazon EBS? Amazon EBS (Elastic Block Store) provides persistent block storage for Amazon EC2 instances. 👉 In simple terms:EBS acts like a virtual hard drive attached to your EC2 instan

7 min read · [aws-deep-dive.hashnode.dev](https://aws-deep-dive.hashnode.dev/understanding-amazon-ebs-elastic-block-store-simple-guide?utm_source=hashnode&utm_medium=feed)

[Apr 20](https://hashnode.com/posts/understanding-amazon-ebs-elastic-block-store-simple-guide/69e69628c9501dd01035934c)

### [Boost EC2 Storage: Create and Attach EBS Volumes Step-by-Step](https://aws-deep-dive.hashnode.dev/boost-ec2-storage-create-and-attach-ebs-volumes-step-by-step?utm_source=hashnode&utm_medium=feed)

When you launch an EC2 instance, AWS automatically creates a root volume.If your application needs more storage, you can: Add a volume during launch Or attach an EBS volume later (this lab covers th

5 min read · [aws-deep-dive.hashnode.dev](https://aws-deep-dive.hashnode.dev/boost-ec2-storage-create-and-attach-ebs-volumes-step-by-step?utm_source=hashnode&utm_medium=feed)

[Apr 20](https://hashnode.com/posts/boost-ec2-storage-create-and-attach-ebs-volumes-step-by-step/69e695b8c9501dd0103550a3)