Bulletproof Node.js architecture 🛡️

This is the example repository from the blog post 'Bulletproof node.js project architecture'

Please read the blog post in order to have a good understanding of the server architecture.

Also, I added lots of comments to the code that are not in the blog post, because they explain the implementation and the reason behind the choices of libraries and some personal opinions and some bad jokes.

The API by itself doesn't do anything fancy, it's just a user CRUD with authentication capabilities. Maybe we can transform this into something useful, a more advanced example, just open an issue and let's discuss the future of the repo.

Development

We use node version 10.15.0

nvm install 10.15.0

nvm use 10.15.0

The first time, you will need to run

npm install

Then just start the server with

npm run start

It uses nodemon for livereloading :peace-fingers:

API Validation

By using celebrate the req.body schema becomes clary defined at route level, so even frontend devs can read what an API endpoint expects without need to writting a documentation that can get outdated quickly.

route.post('/signup', 
 celebrate({
   body: Joi.object({
     name: Joi.string().required(),
     email: Joi.string().required(),
     password: Joi.string().required(),
   }),
 }),
 controller.signup)

Example error

{
 "errors": {
   "message": "child \"email\" fails because [\"email\" is required]"
 }
}

Read more about celebrate here and the Joi validation API

Roadmap

API Validation layer (Celebrate+Joi)
Unit tests examples
Cluster mode
The logging 'layer'
Add agenda dashboard
Continuous integration with CircleCI 😍
Deploys script and docs for AWS Elastic Beanstalk and Heroku
Integration test with newman 😉
Instructions on typescript debugging with VSCode

FAQ

Where should I put the FrontEnd code? Is this a good backend for Angular or React or Vue or whatever ?

It's not a good idea to have node.js serving static assets a.k.a the frontend

Also, I don't wanna take part in frontend frameworks wars 😅

Just use the frontend framework you like the most or hate the least. It will work 😁

Don't you think you can add X layer to do Y? Why do you still use express if the Serverless Framework is better and it's more reliable?

I know this is not a perfect architecture but it's the most scalable that I know with less code and headache that I know.

It's meant for small startups or one-developer army projects.

I know if you start moving layers into another technology, you will end up with your business/domain logic into npm packages, your routing layer will be pure AWS Lambda functions and your data layer a combination of DynamoDB, Redis, maybe redshift, and Agolia.

Take a deep breath and go slowly, let the business grow and then scale up your product. You will need a team and talented developers anyway.

License

thanhtan541/bulletproof-nodejs

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