Why "chown" followed by a COPY/ADD instruction increases the docker image size in Red Hat Enterprise Linux 7 ?
Issue
- Why "chown" followed by a COPY/ADD instruction increase the docker image size in Red Hat Enterprise Linux 7 ?
- Refer the below given Dockerfile. Container image built using the below Dockerfile would be increased by another 200MB
From alpine
ADD 200mbFile 200mbFile
RUN chown root:504 200mbFile
Environment
- Red Hat Enterprise Linux 7
- docker-1.12-X or docker-latest-1.13.1-X
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