FROM alpine AS cho ADD --chown=2367:3267 addchown.txt /tmp RUN stat -c "user:%u group:%g" /tmp/addchown.txt WORKDIR /home/workdir ARG foodir="foo" COPY addchown.txt /root/${foodir}/foo ADD addchown.txt /var ADD ./* /home/tmp/ COPY --chown=root:bin testDir/*.txt /home/new/ COPY --chown=root:1 testDir/b.tx* /home/new/ ADD --chown=0:mail ./addchown.txt . ADD --chown=0:0 ./testDir/a.txt ./ FROM cho MAINTAINER isula "isula@huawei.com" WORKDIR /tmp CMD ls VOLUME ["/var/lib/"]