---
title: "Yuvraj.R (@yuvi21) | Hashnode"
description: "Stay Relentless. Read the latest articles by Yuvraj.R on Hashnode."
url: "https://hashnode.com/@yuvi21"
---

@yuvi21

# Yuvraj.R

@yuvi21 · Mysuru,India · Joined July 2026

Stay Relentless

### [Stop Writing Docker Files Manually! Try Docker Init with a Python Flask App](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/stop-writing-docker-files-manually-try-docker-init-with-a-python-flask-app?utm_source=hashnode&utm_medium=feed)

Have you ever started a project and wondered what to write inside a Dockerfile? What about creating a Docker Compose file and a .dockerignore file from scratch?

7 min read · [build-break-fix-diaries-with-yuvrajj.hashnode.dev](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/stop-writing-docker-files-manually-try-docker-init-with-a-python-flask-app?utm_source=hashnode&utm_medium=feed)

[Nov 3](https://hashnode.com/posts/stop-writing-docker-files-manually-try-docker-init-with-a-python-flask-app/6aea05fbcc5c8405a1ee9bb9)

### [Dockerfile vs Docker Compose : My MERN Project Experience](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/dockerfile-vs-docker-compose-mern-project?utm_source=hashnode&utm_medium=feed)

I deployed a MERN application using Docker and Docker Compose. This article covers the key differences and what I learned from both practicals.

3 min read · [build-break-fix-diaries-with-yuvrajj.hashnode.dev](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/dockerfile-vs-docker-compose-mern-project?utm_source=hashnode&utm_medium=feed)

[Nov 2](https://hashnode.com/posts/dockerfile-vs-docker-compose-mern-project/6ae87cf8e2c37636457b3dde)

### [Hands-On AWS VPC Lab: Tracing a Request from the Internet to EC2](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/hands-on-aws-vpc-lab-tracing-a-request-from-the-internet-to-ec2?utm_source=hashnode&utm_medium=feed)

Learn AWS VPC networking with a practical lab covering subnets, route tables, Internet Gateways and security groups.

2 min read · [build-break-fix-diaries-with-yuvrajj.hashnode.dev](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/hands-on-aws-vpc-lab-tracing-a-request-from-the-internet-to-ec2?utm_source=hashnode&utm_medium=feed)

[Oct 29](https://hashnode.com/posts/hands-on-aws-vpc-lab-tracing-a-request-from-the-internet-to-ec2/6ae37852752914284fc72c58)

### [AWS VPC Traffic Flow Explained: Follow One Request Step by Step](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/aws-vpc-traffic-flow-explained-follow-one-request-step-by-step?utm_source=hashnode&utm_medium=feed)

Have you ever wondered what actually happens when you open a website hosted on AWS?

12 min read · [build-break-fix-diaries-with-yuvrajj.hashnode.dev](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/aws-vpc-traffic-flow-explained-follow-one-request-step-by-step?utm_source=hashnode&utm_medium=feed)

[Oct 28](https://hashnode.com/posts/aws-vpc-traffic-flow-explained-follow-one-request-step-by-step/6ae2072f6df85331088efcb5)

### [AWS VPC Explained: The Secret Behind a Secure Cloud Network](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/aws-vpc-explained-the-secret-behind-a-secure-cloud-network?utm_source=hashnode&utm_medium=feed)

Learn AWS VPC in simple words with real-world examples. Understand subnets, Internet Gateways, route tables, Security Groups, NAT Gateways and more.

9 min read · [build-break-fix-diaries-with-yuvrajj.hashnode.dev](https://build-break-fix-diaries-with-yuvrajj.hashnode.dev/aws-vpc-explained-the-secret-behind-a-secure-cloud-network?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/aws-vpc-explained-the-secret-behind-a-secure-cloud-network/6ae0dddeb4332e32e16278f3) [Oct 27](https://hashnode.com/posts/aws-vpc-explained-the-secret-behind-a-secure-cloud-network/6ae0dddeb4332e32e16278f3)