[Conflict] perl-doc & perl-data-dumper-doc
$ docker run -ti --rm alpine:3.12 apk -U add perl-data-dumper-doc perl-doc
fetch http://dl-cdn.alpinelinux.org/alpine/v3.12/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.12/community/x86_64/APKINDEX.tar.gz
(1/2) Installing perl-data-dumper-doc (2.173-r3)
(2/2) Installing perl-doc (5.30.3-r0)
ERROR: perl-doc-5.30.3-r0: trying to overwrite usr/share/man/man3/Data::Dumper.3pm.gz owned by perl-data-dumper-doc-2.173-r3.
1 error; 22 MiB in 16 packages