anchor.diff:  FROM toolshed/requirements
   
   MAINTAINER Björn A. Grüning, bjoern.gruening@gmail.com
  -
  -# * Make sure the package repository is up to date
  -# * Install all requirements that are recommend by the Galaxy project
  -# * Enable the @natefoo magic
  -# Web server infrastructure matching usegalaxy.org - supervisor, uwsgi, and nginx.
   
   ARG GALAXY_RELEASE
   ARG GALAXY_REPO
  
positive.code: # Define the default postgresql database path
  PG_DATA_DIR_DEFAULT=/var/lib/postgresql/9.3/main/ \
  PG_CONF_DIR_DEFAULT=/etc/postgresql/9.3/main/ \
  PG_DATA_DIR_HOST=/$EXPORT_DIR/postgresql/9.3/main/ \
  # The following 2 ENV vars can be used to set the number of uwsgi processes and threads
  UWSGI_PROCESSES=2 \
  UWSGI_THREADS=4 \
  
negative.code: GALAXY_CONFIG_JOB_METRICS_CONFIG_FILE=$GALAXY_CONFIG_DIR/job_metrics_conf.xml \
  GALAXY_CONFIG_TOOL_DATA_TABLE_CONFIG_PATH=/etc/galaxy/tool_data_table_conf.xml \
  GALAXY_CONFIG_TOOL_DEPENDENCY_DIR=$EXPORT_DIR/tool_deps \
  GALAXY_CONFIG_TOOL_PATH=$EXPORT_DIR/galaxy-central/tools \
  GALAXY_VIRTUAL_ENV=/galaxy_venv \
  GALAXY_USER=galaxy \
  GALAXY_UID=1450 \
  