Hello World API Docker 🐳

An API that returns the following JSON when the / endpoint is called

{"message":"Hello World!"}

Prerequisites

• Docker installed
• NPM installed

Environment variables

The following environment variables need to be set before the application can be run

export HELLO_WORLD_API_PORT=3000

Running the application

Using NPM

Install dependencies

npm install

Start the server

npm start

Go to the following URL localhost:<HELLO_WORLD_API_PORT> e.g. localhost:3000

Docker 🐳

Build the image and run the container using Docker compose

npm run docker

Go to the following URL localhost:<HELLO_WORLD_API_PORT> e.g. localhost:3000

Running the unit tests

npm test