npm init -y
npm i express mongodb mongoose
mkdir config
touch config/dev.js 
mkdir models
touch models/Blog.js
touch models/User.js
touch models/Comment.js
touch index.js
npm i --save-dev nodemon ==> dev: "nodemon index.js"
npm run dev

mkdir routes
touch routes/blogRoutes.js
mkdir middlewares
touch middlewares/requireLogin.js

npm install redis 
touch redis.js 
touch middlewares/cache.js