podman/docs/source/markdown/options/no-hostname.md

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####> This option file is used in:
####> podman build, farm build
####> If file is edited, make sure the changes
####> are applicable to all of those.
#### **--no-hostname**
Do not create the _/etc/hostname_ file in the container for RUN instructions.
By default, Buildah manages the _/etc/hostname_ file, adding the container's own hostname. When the **--no-hostname** option is set, the image's _/etc/hostname_ will be preserved unmodified if it exists.