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README.md: fix description about local cache 

Fix #1234

This has been already implemented.

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
v0.7
Akihiro Suda 2019-11-01 15:09:00 +09:00
parent e759bd1294
commit 6e090f5820
1 changed files with 3 additions and 5 deletions
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README.md
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@ -327,14 +327,11 @@ buildctl build ... \
```bash
buildctl build ... --export-cache type=local,dest=path/to/output-dir
buildctl build ... --import-cache type=local,src=path/to/input-dir,digest=sha256:deadbeef
buildctl build ... --import-cache type=local,src=path/to/input-dir
```
The directory layout conforms to OCI Image Spec v1.0.
Currently, you need to specify the `digest` of the manifest list to import for `local` cache importer.
This is planned to default to the digest of "latest" tag in `index.json` in future.
#### `--export-cache` options
- `type`: `inline`, `registry`, or `local`
- `mode=min` (default): only export layers for the resulting image
@ -346,7 +343,8 @@ This is planned to default to the digest of "latest" tag in `index.json` in futu
- `type`: `registry` or `local`. Use `registry` to import `inline` cache.
- `ref=docker.io/user/image:tag`: reference for `registry` cache importer
- `src=path/to/input-dir`: directory for `local` cache importer
- `digest=sha256:deadbeef`: digest of the manifest list to import for `local` cache importer.
- `digest=sha256:deadbeef`: digest of the manifest list to import for `local` cache importer.
Defaults to the digest of "latest" tag in `index.json`
### Consistent hashing