#1 DevOps- basics - Hands-on

 

DevOps Oru Saravedi! 💥🚀

aurmc2024@gmail.com

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Step 1: Git Anna Kitta Po! 🎩

👉 Mudhalil Git install pannunga, illa na code track panna mudiyadhu! 😱 Download inga

CMD la paarunga:

git --version

Output:

git version 2.49.0.windows.1

Indha output illa na, installation fail aayiduchu! 😵

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Step 2: GitHub Account Setup Pannu! 🛠️

✅ GitHub.com pogi account create pannu! (Free dhan!)

🎩 Username Example: "Yazh24"

📌 Oru repo create pannunga DevOps

🚀 Clone panna:

git clone https://github.com/Yazh24/devops.git

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Step 3: Node.js - Idhu Illa Na Namma Saaapdave Mudiyadhu! 🟢

📥 Download Node.js

Install aagittadha check pannunga:

node -v

Output:

v22.14.0

npm -version

Output:

10.9.2

Yenna output varala na, sariyaa install aagala! 🤨

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Step 4: VS Code - Developer Ungaloda Nallavan! 💻

📥 Download VS Code

📂 Open panni DevOps folder select pannu

👀 Oru file irukkanum:

D:\Devops\README.md

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Step 5: Oru Chinna Node.js Project 🎭

✅ Terminal open panni:

npm init -y

Ithu package.json create pannum!

📦 Express install pannunga:

npm install express

📑 package.json la main ah app.js a maathunga

📝 app.js ezhudhunga:

const express = require('express');
const app = express();
const PORT = process.env.PORT || 3000;
const name = "CodeTest";

app.get("/", (req, res) => {
    res.send(`Welcome to DevOps Easy from ${name}!`);
});

const server = app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}`);
});

module.exports = {app, server, name};

🚀 Terminal la run pannunga:

node app.js

Browser la poi: localhost:3000 ➡️ Aha! Adhirshtam! 🎉

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Step 6: Git Ah Marakkadhinga! 📤

👀 Status check pannunga:

git status

📝 .gitignore create pannunga:

node_modules/
.gitignore

✅ Add & Commit:

git add .
git commit -m "Initial Commit: Basic express setup"
git push

🎉 GitHub la poi check pannunga, ellam vandhirukkum!

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Step 7: Testing Oru Must! 🧪

🛠️ Jest & Supertest install pannu:

npm install jest supertest --save-dev

📜 package.json la scripts update pannu:

"scripts": {
  "test": "jest"
}

📝 test/app.test.js create pannu:

const request = require("supertest");
const {app, server} = require('../app');

describe('GET /', () => {
    it("should return 200 status and the correct msg", async () => {
        const response = await request(app).get("/");
        expect(response.status).toBe(200);
        expect(response.text).toBe('Welcome to DevOps Easy from CodeTest!');
    });
});

🛠️ Test run pannu:

npx jest test/app.test.js

Green check mark vandha, neenga pass! ✅

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Step 8: CI/CD Setup Pannu! ✨

🛠️ .github/workflows/ci.yaml create pannu:

name: CI Pipeline

on:
  push:
    branches:
      - main

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3

      - name: Install Dependencies
        run: npm install

      - name: Run Tests
        run: npx jest test/app.test.js  

🚀 Push pannunga, GitHub Actions la check pannunga! 🎩

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Conclusion: Neenga Oru DevOps Thalaivar! 🏆🔥

Ithula mudinja neenga DevOps expert aayachu! 🎉

Ippoluthum unga GitHub repository full DevOps-ready irruku! 💪

Doubt irundha steps paarunga illa na தண்ணீர்.. illa illa, Coffee Kudinga! ☕😂