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Nodejs Microservices

It is very common to have doubts about how should we architect an application that needs to be scaled. These questions appear and I find very complicated to find resources that can exemplify that in an easy way.

This project is intended to be a boilerplate or a microservices hello world for those who are not very familiar with devops and with deploying and scaling applications.

For that purpose, this project simulates a delivery system that has three microservices:

  1. Frontend service Will display a table with all the orders and its status.
  2. Consumer service Will ask to the delivery_service to retrieve the next delivery to be processed. It's important to mention that we want to simulate a lot of consumers asking to a single delivery_service for orders, that's why this service will be scaled in a docker swarm.
  3. Delivery service Will retrieve the next delivery to the consumer_service.

Run it locally

  1. In your terminal, go to the root of the project
  2. Execute in a unix terminal make build
  3. Execute in a unix terminal make run

That will build and run the containers locally so you can access and run them.

Running and Scaling the app (WIP)

In order to run and scale the application, run the following commands: