# File lib/fog/profitbricks/models/compute/server.rb, line 46
        def save
          requires :datacenter_id, :name, :cores, :ram

          properties = {}
          properties[:name]             = name if name
          properties[:cores]            = cores if cores
          properties[:ram]              = ram if ram
          properties[:availabilityZone] = availability_zone if availability_zone
          properties[:bootVolume]       = boot_volume if boot_volume
          properties[:bootCdrom]        = boot_cdrom if boot_cdrom
          properties[:cpuFamily]        = cpu_family if cpu_family

          entities = {}
          entities[:volumes] = get_volumes(volumes) if volumes

          entities[:nics] = get_nics(nics) if nics

          data = service.create_server(datacenter_id, properties, entities)
          merge_attributes(flatten(data.body))
          true
        end