def environment_variables
      global_variables = @config.environment_variables
      process_vars = @config.process_options[@name] ? @config.process_options[@name]['env'] || {} : {}
      process_local_vars = @config.local_process_options[@name] ? @config.local_process_options[@name]['env'] || {} : {}
      global_variables.merge(process_vars.merge(process_local_vars)).each_with_object({}) do |(key, value), hash|
        hash[key.to_s] = value.to_s
      end
    end
def environment_variables
      global_variables = @config.environment_variables
      process_vars = @config.process_options[@name] ? @config.process_options[@name]['env'] || {} : {}
      process_local_vars = @config.local_process_options[@name] ? @config.local_process_options[@name]['env'] || {} : {}
      global_variables.merge(process_vars.merge(process_local_vars)).each_with_object({}) do |(key, value), hash|
        hash[key.to_s] = value.to_s
      end
    end
Return all environment variables for this process