postgres does not work with different hostname

[dominikarnoldi]

alpine-docker-gitlab/overlay/usr/local/bin/entrypoint.sh

Line 23 in 3f3227e

while ! pg_isready -qh postgres; do sleep 1; done

[dominikarnoldi]

I can't use the alpinelinux/gitlab container with a postgesql container if the hostname for postgresql is not postgres. Otherwise this line will run infinite and the gitlab container will not start.