$ mkvirtualenv gitlab_freak
$ workon gitlab_freak
(gitlab_freak)$ python setup.py gitlab_freak develop

(gitlab_freak)$ gitlab-freak-init-db.py

You need to copy config-sample.cfg somewhere on your server, and fill it with your desired configuration. Then export its path into an environment variable GITLAB_FREAK_SETTINGS.

GITLAB_TOKEN: find it on Gitlab, under your profile settings, Account section (private token). TRELLO_APPKEY: it'll be generated when visiting this page https://trello.com/app-key under the Key section. TRELLO_TOKEN: you'll be given it when launching for the first time gitlab-freak server and visiting the homepage. You'll need to restart the server after setting it.

(gitlab_freak)$ gitlab-freak-run-dev.py

Visit for the first time the homepage and authorize gitlab-freak to access your Trello account. When done, put the generated token in gitlab-freak config file, and restart the server.

In your project's setting, put the dispatch url of gitlab-freak (http://your-gitlab-freak-endpoint/dispatch) on issue trigger.