Docker has completely revolutionized how we build, package, and ship software. Docker has made it possible for developers to package their applications and share them with others. Because of Docker, we now see so many advancements in cloud computing. Many emerging startups keep Docker technology as their base. Additionally, Docker enhanced the DevOps approach by bridging the gap between Dev and Ops teams. Today, we will walk through a simple tutorial demonstrating how you can build a simple ‘Hello World’ application—and we’ll be Dockerizing it.
Pre-requisites:
Download and install Docker from the official website.
Install Node.js from the official website here.
Install npm from the official website here.
Tutorial
Create An Application
Create a directory to store your application and dependencies. You can choose any name you want. I am choosing the name ‘expapp’.