Now that you have an idea what the requirements are in terms of the OS, filesystem, and server hardware, and understand the most important differences between MongoDB 3 and MongoDB 4.x installation, it's time to have a look at the actual installation process. In this section, we cover a general overview of MongoDB installation that can be applied either at a customer site or inside a demo environment running in a Docker container on your own computer.
IMPORTANT: The version of MongoDB 4.x featured in this book is the MongoDB Community Edition running on Docker.
For those of you who have experience in MongoDB 3, in the next section, we briefly discuss major differences in installation between version 3 and 4.x.