forked from TrueCloudLab/distribution
ad11768765
Signed-off-by: Stephen J Day <stephen.day@docker.com>
39 lines
No EOL
1 KiB
Markdown
39 lines
No EOL
1 KiB
Markdown
# Glossary
|
|
|
|
**TODO(stevvooe):** Define and describe distribution related terms. Ideally,
|
|
we reference back to the actual documentation and specifications where
|
|
appropriate.
|
|
|
|
**TODO(stevvooe):** The following list is a start but woefully incomplete.
|
|
|
|
<dl>
|
|
<dt>Blob</dt>
|
|
<dd>
|
|
The primary unit of registry storage. A string of bytes identified by
|
|
content-address, known as a _digest_.
|
|
</dd>
|
|
|
|
<dt>Image</dt>
|
|
<dd>An image is a collection of content from which a docker container can be created.</dd>
|
|
|
|
<dt>Layer</dt>
|
|
<dd>
|
|
A tar file representing the partial content of a filesystem. Several
|
|
layers can be "stacked" to make up the root filesystem.
|
|
</dd>
|
|
|
|
<dt>Manifest</dt>
|
|
<dd>Describes a collection layers that make up an image.</dd>
|
|
|
|
<dt>Registry</dt>
|
|
<dd>A registry is a collection of repositories.</dd>
|
|
|
|
<dt>Repository</dt>
|
|
<dd>
|
|
A repository is a collection of docker images, made up of manifests, tags
|
|
and layers. The base unit of these components are blobs.
|
|
</dd>
|
|
|
|
<dt>Tag</dt>
|
|
<dd>Tag provides a common name to an image.</dd>
|
|
</dl> |