Abstract: An object is to provide a management device that can appropriately manage a code that may be applied to a plurality of systems. A management device (10) according to the present disclosure includes: an extraction unit (11) that extracts a parameter associated with definition information included in configuration information used for constructing an infrastructure system on a cloud infrastructure; and a management unit (12) that manages, when the configuration information is applied to a plurality of the infrastructure systems, the parameter to be changed according to the infrastructure system in association with the infrastructure system to which the configuration information is applied.

Abstract: An object of the present invention is to provide a network system construction device that can increase the efficiency of system construction. A network system construction device (10) according to the present disclosure includes: an acquisition unit (11) that acquires identification information for identifying a network system that is provided from a cloud provider and in which a combination of a plurality of system elements is patterned; and a setting unit (12) that sets configuration information associated with the identification information to the network system identified by the identification information.