FULL STACK: Error Handler Function, Express Middleware, req.body Property, POST HTTP Request & Stack
Using middleware: https://expressjs.com/en/guide/using-middleware.html
CommonJS modules: https://nodejs.org/api/modules.html#modules-commonjs-modules
The Twelve Factors: https://12factor.net/
Nodejs: https://nodejs.org/en
Express: https://expressjs.com/
Dotenv: https://www.npmjs.com/package/dotenv
Nodemon: https://www.npmjs.com/package/nodemon
Mongoose: https://mongoosejs.com/docs/schematypes.html
Postman: https://www.postman.com/downloads/
MongoDB: https://www.mongodb.com/
Initializing a Git repository: https://docs.github.com/en/migrations/importing-source-code/using-the-command-line-to-import-source-code/adding-locally-hosted-code-to-github
╔═╦╗╔╦╗╔═╦═╦╦╦╦╗╔═╗
║╚╣║║║╚╣╚╣╔╣╔╣║╚╣═╣
╠╗║╚╝║║╠╗║╚╣║║║║║═╣
╚═╩══╩═╩═╩═╩╝╚╩═╩═╝
