Explicitly set platform

Author: afonso360

build.sh

@@ -1,4 +1,4 @@
 PYTHON_VERSION=3.13
 IMAGE_NAME=arm32v7/python:${PYTHON_VERSION}-alpine
 
-docker run --rm -v "$(pwd):/work" -w /work ${IMAGE_NAME} /bin/sh -c "tar -cvf python-${PYTHON_VERSION}-armv7-musl.tar.gz -T copyfiles"
+docker run --rm --platform linux/arm/v7 -v "$(pwd):/work" -w /work ${IMAGE_NAME} /bin/sh -c "tar -cvf python-${PYTHON_VERSION}-armv7-musl.tar.gz -T copyfiles"