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Update compatibility.md (#4321)

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Wang Jie 2017-08-24 07:29:19 +08:00 committed by Misty Stanley-Jones
parent c1950e123d
commit aa6e69711a
1 changed files with 12 additions and 11 deletions
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docs/compatibility.md
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@ -9,7 +9,7 @@ title: Registry compatibility
and older, and the manifest was pushed with Docker Engine 1.10, a security check
will cause the Engine to receive a manifest it cannot use and the pull will fail.*
## Registry Manifest Support
## Registry manifest support
Historically, the registry has supported a [single manifest type](./spec/manifest-v2-1.md)
known as _Schema 1_.
@ -21,7 +21,7 @@ with older Docker engines will, in certain cases, do an on-the-fly
transformation of a manifest before serving the JSON in the response.
This conversion has some implications for pulling manifests by digest and this
document enumerate these implications.
document enumerates these implications.
## Content Addressable Storage (CAS)
@ -45,15 +45,7 @@ support the new version.
## Registry v2.3
### Manifest Push with Docker 1.9 and Older
The Docker Engine will construct a _Schema 1_ manifest which the
registry will persist to disk.
When the manifest is pulled by digest or tag with any docker version, a
_Schema 1_ manifest will be returned.
### Manifest Push with Docker 1.10
### Manifest push with Docker 1.10
The docker engine will construct a _Schema 2_ manifest which the
registry will persist to disk.
@ -75,3 +67,12 @@ For this reason if a manifest is pulled by _digest_ from a registry 2.3 with Doc
Engine 1.9 and older, and the manifest was pushed with Docker Engine 1.10, a
security check will cause the Engine to receive a manifest it cannot use and the
pull will fail.
### Manifest push with Docker 1.9 and older
The Docker Engine will construct a _Schema 1_ manifest which the
registry will persist to disk.
When the manifest is pulled by digest or tag with any docker version, a
_Schema 1_ manifest will be returned.