What is the command to build a Docker image?

Prepare for the Docker Foundations Test. Review essential Docker concepts with multiple choice questions, each with hints and explanations. Ace your exam!

The command to build a Docker image is "docker build." This command is specifically designed for crafting images from a Dockerfile, which contains all the instructions on how to create that image. When you run the "docker build" command, it processes the instructions in the Dockerfile, including setting up the environment, copying files, and installing dependencies, ultimately resulting in a standalone image that can be run as a container.

Each argument passed to the "docker build" command, such as the context and any build options, allows the user to customize the build process. This capability is essential for ensuring that the image is built in a desired and reproducible manner.

The other options are not relevant for building an image: "docker create" is meant for creating a container from an image but does not produce an image itself; "docker compile" is not a valid Docker command at all; and "docker make" does not exist within the Docker command set. Thus, "docker build" is the sole command geared specifically toward image creation.

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