Packaging support system and packaging support method

A packaging support system capable of communicating with a first management unit that manages one or more source codes, and a marketplace system that manages one or more packages created based on one of the source codes and causes a package, regarding which an instruction is issued from a terminal operated by a user, to be available as an instance in a specified execution environment,

• the packaging support system comprising:
• a storage apparatus that stores correspondence relationship information which is associated with identification information capable of identifying a package, identification information capable of identifying a source code on which the package is based, and identification information capable of identifying an instance of the package;
• and
• a packaging unit that, on the basis of reception of an instruction to package a specified instance from the terminal operated by the user, acquires a specified source code associated with the specified instance based on the correspondence relationship information from the first management unit and outputs the specified source code;
• wherein the packaging unit compares a first configuration file which defines an operation of an instance generated from the specified source code, with a second configuration file which defines an operation of the specified instance, extracts a changed value from the first configuration file, reflects the extracted value in the specified source code, and outputs the resultant source code;
• wherein the second configuration file includes an image identifier of an image of one or more application instances executed as the specified instance;
• and
• wherein the packaging unit judges whether any change has been made to the image or not;
• and
• if the packaging unit determines that the change has been made to the image, a second management unit that manages the image determines an image identifier capable of uniquely identifying the changed image, reflects the determined image identifier in the specified source code, and outputs the resultant source code.