What is Docker on Ubuntu?
Docker is a containerization platform that allows you to package and deploy applications as containers. A container is a self-contained, lightweight, and portable package that includes everything an application needs to run, including the application code, libraries, dependencies, and runtime.
Docker allows you to deploy and run applications in containers on any platform, including Ubuntu. This makes it easy to build, test, and deploy applications consistently across different environments, such as development, staging, and production.
To use Docker on Ubuntu, you will need to install the Docker engine, which is the software that runs and manages containers on your system. You can install the Docker engine using the package manager