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-rw-r--r--images/tmpfile/Dockerfile4
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diff --git a/images/tmpfile/Dockerfile b/images/tmpfile/Dockerfile
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+# Create file under /tmp to ensure files inside '/tmp' are not overridden.
+FROM alpine:3.11.5
+RUN mkdir -p /tmp/foo \
+ && echo 123 > /tmp/foo/file.txt