What is a container image

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An image is:

It doesn’t have state and never changes.

A container is a running an instance of an image.



OCI delivers the file system with tarballs.


Firecracker wants is a set of block devices that Linux will mount as it boots up.

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Docker - Image

This page is the container image in Docker. OCI is the standardized container format used by Docker Docker stores downloaded images on the Docker host at the Docker Root Dir location where:...
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Vagrant - Box (base image)

Vagrant uses a base image known as Box to quickly clone a virtual machine. Each project uses a box as an initial image to clone from, and never modifies the actual base image. the username and...
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Virtualization - Virtual Machine (VM)

A Virtual Machine (VM) is virtual machine (OS) that is running on top of another machine (OS) containers are lightweight computer virtualization around a process. They are an instance of an image...
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What is an OCI Image ? (Open Container Initiative)

OCI is a standardized image format from the Open Container Initiative It's used by Docker Image. An OCI image is just a stack of tarballs with a configuration files. The tarballs expand to a directory...

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