Redmine3.0系をHerokuで動かせるようにする - Qiita# Include database gems for the adapters found in the database # configuration file require 'erb' require 'yaml' database_file = File.join(File.dirname(__FILE__), "config/database.yml") if File.exist?(database_file) database_config = YAML::load(ERB.new(IO.read(database_file)).result) adapters = database_config.values.map {|c| c['adapter']}.compact.uniq if adapters.any? adapters.each do |adapter| c
