File: Containerfile.verify_mount_leak

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FROM alpine

RUN <<EOF
#!/bin/sh
echo "
	this is the output of test" > test.txt
# Mount of this file must exists till this run step
# so this `ls` command should not fail
ls -a /dev/pipes/
EOF

RUN cat test.txt

# This ls command must fail, since mount is removed in this step
RUN ls -a /dev/pipes