anchor.diff:  RUN locale-gen en_US.UTF-8
   
   # Fancy up (root) env
  +ARG BUILD_CODE=
  +ARG DOCKER_TAG=
  +ARG SOURCE_BRANCH=
  +ARG SCM_TYPE=
  +ARG GIT_BRANCH=
  +ARG COMMIT_MSG=
  +
   ENV TREEBOX_USER=$username \
     TREEBOX_BUILD_ID=$BUILD_CODE \
     TREEBOX_IMAGE="$IMAGE_NAME" \
  -  TREEBOX_SRC="$SRC_BRANCH:$GIT_COMMIT" \
  +  TREEBOX_SRC="$SOURCE_BRANCH:$GIT_COMMIT" \
     TREEBOX_TAG=$DOCKER_TAG \
     TREEBOX_SCM=$SCM_TYPE \
     TREEBOX_SCM_BRANCH=$GIT_BRANCH \
  
positive.code: FROM phusion/baseimage:latest
  
  MAINTAINER B. van Berkum <dev@dotmpe.com>
  
  LABEL \
    org.label-schema.description="Lots of dev tooling and a user setup" \
  
negative.code: # XXX: Idem for user env?
  ENV \
    TREEBOX_IMAGE="$IMAGE_NAME" \
    TREEBOX_SRC="$SOURCE_BRANCH:$GIT_COMMIT" \
    LANG=en_US.UTF-8
  
  # Id: x-docker/0.0.2-dev
  