Docker applications

A lot of applications are provided in the form of Docker images that can be downloaded from the internet. If we know the image name, it would be enough to run it in the same way we did with the hello-world example. How can we find the desired application image on Docker Hub? Let's take MongoDB as an example. These are the steps we need to follow:

1. If we want to find it on Docker Hub, we have two options, as follows:
   • Search on the Docker Hub Explore page (https://hub.docker.com/search/).
   • Use the docker search command.

In the second case, we can perform the following operation:

$ docker search mongo
NAME   DESCRIPTION                    STARS   OFFICIAL AUTOMATED
mongo  MongoDB document databases...  8293    [OK] 
...

2. There are many...