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Diffstat (limited to 'doc/source')
| -rw-r--r-- | doc/source/admin/image-building.rst | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/source/admin/image-building.rst b/doc/source/admin/image-building.rst index f0c0e84c1..81e04f401 100644 --- a/doc/source/admin/image-building.rst +++ b/doc/source/admin/image-building.rst @@ -526,6 +526,28 @@ variables that will be picked up from the user env: Also these variables could be overwritten using ``--build-args``, which have precedence. +Cross-compiling +--------------- + +It is possible to cross-compile container images in order to, e.g., build +``aarch64`` images on a ``x86_64`` machine. + +To build ``ARM`` images on ``x86_64`` platform, pass the ``--base-arch`` and +``--platform`` arguments: + +.. code-block:: console + + kolla-build --platform linux/arm64 --base-arch aarch64 + +.. note:: + + To make this work on x86_64 platform you can use tools like: `qemu-user-static + <https://github.com/multiarch/qemu-user-static>`_ or `binfmt + <https://github.com/tonistiigi/binfmt>`_. + + To make this work on Apple Silicon you can use Docker Desktop or Podman + Desktop to build ``x86_64`` or native ``ARM`` images. + Known issues ============ |