github.com/containers/podman/v5@v5.1.0-rc1/docs/source/markdown/options/no-hostname.md (about)

     1  ####> This option file is used in:
     2  ####>   podman build, farm build
     3  ####> If file is edited, make sure the changes
     4  ####> are applicable to all of those.
     5  #### **--no-hostname**
     6  
     7  Do not create the _/etc/hostname_ file in the container for RUN instructions.
     8  
     9  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.