Allows Easy Scaling Up

In this lesson, you will learn how Docker containers help in scaling when a single server isn't enough to handle a single application.

When a server application needs to handle a higher usage than what a single server can handle, the solution is well-known, place a reverse proxy in front of it, and duplicate the server as many times as needed. In our previous Wordpress application example, this meant duplicating the server together with all of its dependencies:

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