AIM: Study DevOps and implement CI/CD pipeline:

Netlify Setup:

Signup/Login on https://www.netlify.com/
Download build folder from here: https://drive.google.com/drive/folders/140T-1efrCwUqQ805lKRihMFC_XzPi3OY
Drag and drop build folder here you will get live url of your site: https://app.netlify.com/drop
Go to https://app.netlify.com/user/applications#personal-access-tokens and generate a new access token. You can use "Github CI CD" as the description of your token. Copy and save this token we need this later => Expiry (No Expiration)
Go to Site Overview => Site Settings => General => Copy site ID (We will need it later)

Signup/Login on https://github.com/
Go to (https://github.com/new) Repositories => Create a new repository => Visibility Public => Add .gitignore (Node)
Go to repository settings => Secrets and variables => Actions
Add Environment secrets (ENV - Production)
- NETLIFY_AUTH_TOKEN
- NETLIFY_SITE_ID
Repository secrets
- NETLIFY_AUTH_TOKEN
- NETLIFY_SITE_ID

Download this folder and copy all inner files/folder into your cloned folder https://github.com/ankitverma31/cicd-pipeline-demo
Open the cloned project in code editor
IMPORTANT: Checkout the branch which you have created earlier and NOT THE MASTER BRANCH. You will do all changes in your branch and we will merge this branch in master on successful pipeline build
Run command in terminal(in case of error, install nodejs https://nodejs.org/en/download/): npm i
Go to src/calculator => only add.js is implemented. You will need to implement for subtract.js, multiply.js, divide.js
Go to src/index.test.js => only Addition is implemented. You will need to implement Subtraction, Multiplication, Division
Run this command to build project: npm run build
Run this command to run test cases: npm run test
You can open and view build/index.html file in broweser to check you changes
In case of successful build and test, commit changes in your branch and push the changes to remote repository and wait for piplines/jobs to pass
Go to gitlab => new merge request => Source branch: (Your branch name) => Target branch: master
Title: changes you made, Merge options: uncheck delete => Create merge request => merge
Go to pipelines => once build, test is completed => click on deploy play icon
Site will be deployed automatically to netlify and all functionalities should work(add, subtract, multiply, delete)