Broken master due to https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/27514
$ source scripts/prepare_build.sh
Bundler version 1.17.2
Warning: the running version of Bundler (1.17.2) is older than the version that created the lockfile (1.17.3). We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
The Gemfile's dependencies are satisfied
Successfully installed knapsack-1.17.1
1 gem installed
psql: could not translate host name "postgres" to address: Name or service not known