newrelic/centurion — pull request #17 by gnarg (2014-07-21 18:56:17+00:00)
Title: allow interpolation of docker hostname into env_vars

This would allow something like `env_vars SERVICE_HOST: 'http://$DOCKER_HOSTNAME:8888'` for services that are hosted on the docker host of the container.

@didip @intjonathan @spkane for review