Node Red service example and app that uses it built with Docker

Quadratic equation logic built with Node Red and exposed as API service. App built with express.js that uses the service have two data sources:

• Mongo database
• HTML file that contains equations and parsed with puppeteer

Getting started

To run the example you need to have Docker and Docker Compose installed.

Build

To build the example with Docker Compose you need to run (choose production or development version):

 docker-compose -f docker-compose.{prod|dev}.yml build

Run

To run example you need to start all services provided by Docker Compose:

 docker-compose -f docker-compose.{prod|dev}.yml up

Then you can access the app via http://0.0.0.0:8080, to get access to Node Red editor use http://127.0.0.1:1880.

Objective

Published for educational purpose.