2019-06-05 00:28:26 +00:00
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# First build arg is to ensure pulling the image from the correct repository
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# The following will work with any library image that supports multi-arch
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# Other repositories may use tag suffix instead
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2019-03-09 01:12:03 +00:00
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ARG REPO=library
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2020-01-30 19:54:40 +00:00
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FROM multiarch/qemu-user-static:4.2.0-2 as qemu-user-static
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2020-01-31 00:01:51 +00:00
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2020-01-31 00:03:56 +00:00
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# Try in a new dir
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RUN mkdir /qemu
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RUN touch /qemu/qemu-x86_64-dummy
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RUN cp /usr/bin/qemu-* /qemu/
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RUN ls -al /qemu
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2020-01-31 00:01:51 +00:00
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# What's going on here? Why does the dir go away?
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2020-01-30 23:51:26 +00:00
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RUN ls -al /usr/bin
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2020-01-30 23:53:45 +00:00
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RUN echo "" > /usr/bin/dummy
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2020-01-30 23:48:52 +00:00
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RUN ls -al /usr/bin
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2020-01-30 19:54:40 +00:00
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2020-01-31 00:01:51 +00:00
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# How about bin?
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RUN ls -al /bin
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RUN echo "" > /bin/dummy
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RUN ls -al /bin
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2019-03-09 01:12:03 +00:00
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FROM ${REPO}/python:3-alpine
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2019-06-05 00:28:26 +00:00
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# This should be the target qemu arch
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2019-03-09 01:12:03 +00:00
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ARG ARCH=x86_64
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2020-01-30 23:44:05 +00:00
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COPY --from=qemu-user-static /usr/bin/qemu-${ARCH}-* /usr/bin/
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2019-03-09 01:12:03 +00:00
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2019-06-05 00:28:26 +00:00
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# Everything below here is just a simple example
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2019-03-09 01:12:03 +00:00
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RUN echo "OK" > /foo
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CMD [ "cat", "/foo" ]
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