DOCKER FOR MAC PRIVATE REGISTRY INSTALL

Volumes: Offer a writable filesystem that the container can use. Or a batch job can create multiple containers from the same image, passing different parameters to each instance. When scaling a service, you create multiple instances of a container from the same image. It consists of the contents of a Docker image, an execution environment, and a standard set of instructions. A container represents the execution of a single application, process, or service. You can build images with the following Docker command: docker buildĬontainer: An instance of a Docker image.

DOCKER FOR MAC PRIVATE REGISTRY INSTALL

It's like a batch script, the first line states the base image to begin with and then follow the instructions to install required programs, copy files, and so on, until you get the working environment you need.īuild: The action of building a container image based on the information and context provided by its Dockerfile, plus additional files in the folder where the image is built. An image is immutable once it has been created.ĭockerfile: A text file that contains instructions for building a Docker image. Usually, an image derives from multiple base images that are layers stacked on top of each other to form the container's filesystem. An image includes all the dependencies (such as frameworks) plus deployment and execution configuration to be used by a container runtime. For further definitions, see the extensive glossary provided by Docker.Ĭontainer image: A package with all the dependencies and information needed to create a container. This section lists terms and definitions you should be familiar with before getting deeper into Docker.

Docker for mac private registry