text: var logger = require('./logger');
  var r = require('rethinkdb');
  
  var db_config = function() {
      return {
          host: process.env.RETHINKDB_PORT_28015_TCP_ADDR || '127.0.0.1',
          port: process.env.RETHINKDB_PORT_28015_TCP_PORT || 28015,
          db: process.env.RETHINKDB_DB || 'runny',
          authKey: process.env.RETHINKDB_AUTH
      };
  };
  
  var connect_to_db = function() {
      return r.connect(db_config()).then(db_conn => {
          module.exports.conn = db_conn;
      }).error(err => {
          logger.error('error: Could not connect to database: ' + err);
          process.exit(1);
      });
  };
  
  module.exports = {
      conn: null,
      config: db_config,
      connect: connect_to_db
  };
  