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Merge pull request #29173 from lalyos/patch-2

Note about potential plugin issue when upgrading
This commit is contained in:
Vincent Demeester 2016-12-10 16:16:50 +01:00 committed by GitHub
commit f7897afaff

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@ -7,6 +7,22 @@ be found.
## 1.13.0 (2016-12-08) ## 1.13.0 (2016-12-08)
**IMPORTANT**: In Docker 1.13, the managed plugin api changed, as compared to the experimental
version introduced in Docker 1.12. You must **uninstall** plugins which you installed with Docker 1.12
_before_ upgrading to Docker 1.13. You can uninstall plugins using the `docker plugin rm` command.
If you have already upgraded to Docker 1.13 without uninstalling
previously-installed plugins, you may see this message when the Docker daemon
starts:
Error starting daemon: json: cannot unmarshal string into Go value of type types.PluginEnv
To manually remove all plugins and resolve this problem, take the following steps:
1. Remove plugins.json from: `/var/lib/docker/plugins/`.
2. Restart Docker. Verify that the Docker daemon starts with no errors.
3. Reinstall your plugins.
### Builder ### Builder
+ Add capability to specify images used as a cache source on build. These images do not need to have local parent chain and can be pulled from other registries [#26839](https://github.com/docker/docker/pull/26839) + Add capability to specify images used as a cache source on build. These images do not need to have local parent chain and can be pulled from other registries [#26839](https://github.com/docker/docker/pull/26839)
+ (experimental) Add option to squash image layers to the FROM image after successful builds [#22641](https://github.com/docker/docker/pull/22641) + (experimental) Add option to squash image layers to the FROM image after successful builds [#22641](https://github.com/docker/docker/pull/22641)