Docker workshop Educational resources Home/Get started/Docker concepts/The basics/What is an image? Explanation Seeing acontaineris an isolated process, where does it get its files and configuration? How do you share those environments? That's where container images come in. A container image is...
Docker image A Docker image is similar to a snapshot in other types of VM environments. It's a record of a Docker container at a specific point in time. Docker images are alsoimmutable. While they can't be changed, they can be duplicated, shared or deleted. This feature is useful for...
Docker images and the Dockerfile A container image is a template by which a container will be realized at runtime. The artifact that defines a container image is a Dockerfile. A Dockerfile defines the base image that will serve as the foundation of the container. A...
Docker Hub A cloud service for sharing applications packaged as Docker images. It’s a centralized resource for container image discovery, distribution, and change management, facilitating collaboration and sharing within the Docker community. Understanding these terms and how they interrelate is crucial...
Get an in-depth overview of the Docker platform including what it can be used for, the architecture it employs, and its underlying technology.
Docker images vs. containers A Docker image is a blueprint of code that is executed in a Docker container. To use Docker, you add layers of core functionalities to a Docker image that are then used to create a running container. In other words, a Docker container is a running instance ...
Docker Hub is a Software as a Service (SaaS) Docker container registry. Docker registries are repositories that we use to store and distribute the container images we create. Docker Hub is the default public registry Docker uses for image management. ...
What differentiates Docker containers and Docker images? The two terms “Docker container” and “Docker image” often cause confusion. This is hardly surprising, since it is a bit of a chicken-or-the-egg dilemma. A container is created from an image; however, a container can also be save...
Docker Image—Development to Production Docker Versions—Maturity of Underlying Technology Container Cloud Services Docker Images From Oracle Docker Defined A Docker container is a packaging format that packages all the code and dependencies of an application in a standard format that allows it to run ...
Docker daemon:Docker daemon is a service that creates and manages Docker images, by using the commands from the client. Essentially the Docker daemon serves as the control center for Docker implementation. Docker client:The Docker client provides the CLI that accesses the Docker API (aREST API)...