The docker-compose.yml file is broken into sections, each section represents a single container which, when combined with the other containers, create the service.

Here’s what to do if you run into a situation where you've installed Docker on Linux, but it fails to connect to the Docker Engine.

Docker image. Similar to a snapshot in the VM world, a Docker image is a portable, read-only, executable file containing the instructions for creating a container and the specifications for which ...