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Merge pull request #4035 from milosgajdos/small-docs-cleanup

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28
docs/migration.md
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---
published: false
---
# Migrating a 1.0 registry to 2.0
TODO: This needs to be revised in light of Olivier's work
A few thoughts here:
There was no "1.0". There was an implementation of the Registry API V1 but only a version 0.9 of the service was released.
The image formats are not compatible in any way. One must convert v1 images to v2 images using a docker client or other tool.
One can migrate images from one version to the other by pulling images from the old registry and pushing them to the v2 registry.
-----
The Docker Registry 2.0 is backward compatible with images created by the earlier specification. If you are migrating a private registry to version 2.0, you should use the following process:
1. Configure and test a 2.0 registry image in a sandbox environment.
2. Back up up your production image storage.
Your production image storage should reside on a volume or storage backend.
Make sure you have a backup of its contents.
3. Stop your existing registry service.
4. Restart your registry with your tested 2.0 image.

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docs/spec/api.md
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@ -52,19 +52,6 @@ specification, details of the protocol will be left to a future specification.
Relevant header definitions and error codes are present to provide an
indication of what a client may encounter.
#### Future
There are features that have been discussed during the process of cutting this
specification. The following is an incomplete list:
- Immutable image references
- Multiple architecture support
- Migration from v2compatibility representation
These may represent features that are either out of the scope of this
specification, the purview of another specification or have been deferred to a
future version.
### Use Cases
For the most part, the use cases of the former registry API apply to the new

13
docs/spec/api.md.tmpl
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@ -52,19 +52,6 @@ specification, details of the protocol will be left to a future specification.
Relevant header definitions and error codes are present to provide an
indication of what a client may encounter.
#### Future
There are features that have been discussed during the process of cutting this
specification. The following is an incomplete list:
- Immutable image references
- Multiple architecture support
- Migration from v2compatibility representation
These may represent features that are either out of the scope of this
specification, the purview of another specification or have been deferred to a
future version.
### Use Cases
For the most part, the use cases of the former registry API apply to the new