Make it work when database_dir is a symlink inside docker container
Make it work when database_dir is a symlink inside docker container

Find.find does not return expected results when database_dir is a
symlink inside docker container. Adding trailing slash fixes the
issue.

macOS 11.5.2, Docker desktop 2.5.0.0 (49427), Docker engine
19.03.13, Ruby 2.7.0p0 in a ubuntu:20.04 base image.

Signed-off-by: Anurag Priyam <6e6ab5ea9cb59fe7c35d2a1fc74443577eb60635@gmail.com>

yeban/sequenceserver,yeban/sequenceserver,yeban/sequenceserver,yeban/sequenceserver