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authorTing-Yu Wang <anivia@google.com>2020-07-17 17:43:32 -0700
committergVisor bot <gvisor-bot@google.com>2020-07-17 17:44:53 -0700
commit5593320bee3e4ab215f501a723ef3ea92b20cf85 (patch)
treed26bc2fc282bb10b1b6331db749e52b2decf2f0c /images/README.md
parent40acd22bc81e51db6e13e9db38d9a8264cf56e35 (diff)
Update README on cross-building images.
PiperOrigin-RevId: 321887956
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@@ -59,3 +59,12 @@ project.
The continuous integration system can either take fine-grained dependencies on
individual `push` targets, or ensure all images are up-to-date with a single
`push-all-images` invocation.
+
+## Multi-Arch images
+
+By default, the image is built for host architecture. Cross-building can be
+achieved by specifying `ARCH` variable to make. For example:
+
+```
+$ make ARCH=aarch64 rebuild-default
+```