18 lines
759 B
Markdown
Executable File
18 lines
759 B
Markdown
Executable File
---
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title: Docker
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id: docker
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date: 2018-04-12
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full_link: https://docs.docker.com/engine/
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short_description: >
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Docker is a software technology providing operating-system-level virtualization also known as containers.
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aka:
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tags:
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- fundamental
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---
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Docker (specifically, Docker Engine) is a software technology providing operating-system-level virtualization also known as {{< glossary_tooltip text="containers" term_id="container" >}}.
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<!--more-->
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Docker uses the resource isolation features of the Linux kernel such as cgroups and kernel namespaces, and a union-capable file system such as OverlayFS and others to allow independent containers to run within a single Linux instance, avoiding the overhead of starting and maintaining virtual machines (VMs).
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