We are using the Java image as the base layer and copying python layer on top; however, this only works for openjdk:slim. Due to our gdal requirements, we need to specify openjdk:14-slim and the following error is given:

#6 [stage-0 2/8] COPY --from=python:3.8-slim / /
#6 sha256:3d7928f567d848bacecdbd74c8165a01f334c2ef279dfb24a5eeb64a2fe9d4c5
#6 ERROR: cannot copy to non-directory: /var/lib/docker/aufs/mnt/m4iyf20tdwaulckq5fcgtx0fx/usr/share/doc/perl-base
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 > [stage-0 2/8] COPY --from=python:3.8-slim / /:
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cannot copy to non-directory: /var/lib/docker/aufs/mnt/m4iyf20tdwaulckq5fcgtx0fx/usr/share/doc/perl-base

The recommended fix is to use Java as the base layer and install python into the container.