npm

To create a new project with prompts
> npm init

To create a new project without prompts
> npm init -y

Install a package (will be used in production)
> npm install <package-name>

Installing a dev package
> npm install —save-dev nodemon
> npm i —D nodemon

Run npm script
In package.json under scripts, create a new dev entry to run nodemon <filename>
Command to run that script
> npm run dev

List outdated packages in your app
> npm outdated

List outdated globally
> npm outdated -g

Update package globally
> npm install <package-name>@latest -g

Uninstall package
> npm uninstall <package-name>

Uninstall packages globally
> npm uninstall -g <package-name>

Environment Variables
Access environment variables
> process.env.NODE_ENV

Environment variable to set node environment
> NODE_ENV