Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.
to get package.json
npm initnode_modules
npm install express@4.17.1 --saveNodemon library
npm install -g nodemonStart nademon
nodemon npm startMySql library
npm install mysql@2.18.1 --savemiddleware library
npm install body-parser@1.19.0 --saveExpress Validator library
npm install express-validator@6.12.1 --saveCORS is a node.js package for providing a Connect/Express middleware that can be used to enable CORS with various options.
npm install cors@2.8.5 --save