Build a REST API with Node.js, Mongoose & TypeScript

Note: This repository includes the postman collection for the finished API

Note 2: Make sure you add .env to your .gitignore before pushing any changes to your repository. You will also want to generate new public & private keys

Generate new keys: https://travistidwell.com/jsencrypt/demo/

Base64 encode the keys: https://www.base64encode.org/

Common issues

• I'm getting a JWT malformed error: https://youtu.be/FzKrfwplips
• Managing environment variables: https://youtu.be/gfyQzeBlLTI

Who is this tutorial for?

• Junior to mid-level developers
• Anyone interested in building REST APIs with TypeScript

What you will need

• A running instance of MongoDB
• Postman
• An IDE or text editor (VS Code)
• A web browser
• A package manager such as NPM or Yarn
• Node.js installed

What next?

• Testing the API with Jest
• Build a React.js user interface
• Add Prometheus metrics to the API
• Deploy the API with Caddy & Docker
• Add Google OAuth

Concepts

• REST API principals
  • CRUD
  • HTTP methods
• JWT & refresh tokens
• Request validation

Technologies

• Node.js
• MongoDB with Mongoose
• TypeScript
• Express.js & Express.js middleware
• Zod validation

Video structure

1. What are we going to build (Postman demo)
2. Code walk-through
3. Bootstrap application
   1. Setup express JS
   2. Create routes function
   3. Setup database connection
   4. Setup logger
   5. Validate request middleware
4. Registration
   1. Create user model
   2. Create user endpoint
   3. Create user session
   4. Deserialize user middleware (refresh tokens)
   5. Get sessions
   6. Delete session
   7. Require user middleware
5. Product resource
   1. Create product model
   2. Create product
   3. Read product
   4. Update product
   5. Delete product

Data flow

Access & refresh token flow

Deployment

What will we use

• Docker (image)
• docker-compose (container)
• Caddy - Web server
• DigitalOcean

Note: You will need Docker installed locally if you want to test your Docker configutation

Let's keep in touch

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• Instagram

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