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Diffstat (limited to 'docs/source/markdown')
-rw-r--r-- | docs/source/markdown/podman-build.1.md | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/docs/source/markdown/podman-build.1.md b/docs/source/markdown/podman-build.1.md index ba7081ff5..a5011f4aa 100644 --- a/docs/source/markdown/podman-build.1.md +++ b/docs/source/markdown/podman-build.1.md @@ -120,8 +120,43 @@ The value of [name] is matched with the following priority order: #### **--cache-from** -Images to utilize as potential cache sources. Podman does not currently support -caching so this is a NOOP. (This option is not available with the remote Podman client, including Mac and Windows (excluding WSL2) machines) +Repository to utilize as a potential cache source. When specified, Buildah will try to look for +cache images in the specified repository and will attempt to pull cache images instead of actually +executing the build steps locally. Buildah will only attempt to pull previously cached images if they +are considered as valid cache hits. + +Use the `--cache-to` option to populate a remote repository with cache content. + +Example + +```bash +# populate a cache and also consult it +buildah build -t test --layers --cache-to registry/myrepo/cache --cache-from registry/myrepo/cache . +``` + +Note: `--cache-from` option is ignored unless `--layers` is specified. + +#### **--cache-to** + +Set this flag to specify a remote repository that will be used to store cache images. Buildah will attempt to +push newly built cache image to the remote repository. + +Note: Use the `--cache-from` option in order to use cache content in a remote repository. + +Example + +```bash +# populate a cache and also consult it +buildah build -t test --layers --cache-to registry/myrepo/cache --cache-from registry/myrepo/cache . +``` + +Note: `--cache-to` option is ignored unless `--layers` is specified. + +#### **--cache-ttl** + +Limit the use of cached images to only consider images with created timestamps less than *duration* ago. +For example if `--cache-ttl=1h` is specified, Buildah will only consider intermediate cache images which are created +under the duration of one hour, and intermediate cache images outside this duration will be ignored. #### **--cap-add**=*CAP\_xxx* |