Docker Compose

Benefits of Docker

Before learning more about Docker’s features, let’s discuss the benefits of Docker first.

• Docker makes deployment of our application a lot easier by packing the software and its dependencies in a container.
• We need to build our application only once, without needing to build or configure it on multiple environments.
• Once we upload our image in Docker Hub, a public registry to store docker images, we can pull the image in any environment. Our application will work fine because we’re running them in identical containers.
• Docker allows us to do image versioning.
• Docker containers work in isolated environments. They do not interfere with other containers running on the same system.

When an application is built, multiple aspects are taken into consideration. Let’s suppose that we build a shopping website. We have to take care of multiple things, which we can do ...