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Created May 3, 2023 10:36
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Demonstrate ARG scoping in child stages
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Dockerfile
# syntax=docker/dockerfile:1
FROM busybox as parent
ARG FOO=123
FROM parent as child
RUN echo "FOO=${FOO}" # "FOO=123"
FROM busybox as final
RUN echo "FOO=${FOO}" # "FOO="
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