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podman/docs/source/markdown/options/arch.md
Valentin Rothberg fbe2bd87b0 [CI:DOCS] elaborate on image lookups of foreign platforms
After pulling/creating an image of a foreign platform, Podman will
happily use it when looking it up in the local storage and will not
pull down the image matching the host platform.

As discussed in #12682, the reasoning for it is Docker compatibility and
the fact that user already rely on the behavior.  While Podman is now
emitting a warning when an image is in use not matching the local
platform, the documentation was lacking that information.

Fixes: #15300
Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>
2022-08-22 16:38:20 +02:00

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Markdown

#### **--arch**=*ARCH*
Override the architecture, defaults to hosts, of the image to be pulled. For example, `arm`.
Unless overridden, subsequent lookups of the same image in the local storage will match this architecture, regardless of the host.