Containers are meant to provide component isolation in a modern software stack. Put your database in one container, your web application in another, and they can all be scaled, managed, restarted, and ...
Between its well-documented nature, beginner-friendly collection of tools, and thousands of first and third-party images, Docker has a large following in the self-hosting and home lab communities.
Docker Compose is a tool for defining and running multi-container Docker applications. In other words, if you have a need to define a service that requires more than one Docker container to function, ...
Sometimes, you only need one container, because all you need is one instance of an app. But sometimes you need cluster of containers that can respond to changes in demand, and that can be upgraded ...