Containerizing our micro-apps with Docker

Containers are a way to package software applications in a standardized and portable way, allowing them to run consistently across different environments. They provide a lightweight and efficient way to run applications and are particularly well-suited for microservices architectures, where an application is composed of multiple, independently deployable services.

In this section, we will look at how to install Docker and create a Docker image by creating a Dockerfile.

Installing Docker

Docker Engine is available for personal use on multiple Linux, Mac, and Windows systems via Docker Desktop. You can follow the instructions here to install the Docker engine: https://docs.docker.com/engine/install/.

Note

If you don’t want to or can’t use Docker Desktop on your Windows or Mac, there are alternatives, such as Rancher Desktop, Podman, and Colima.

Once you have Docker installed, verify it by running the following...