A method is provided that includes: identifying a plurality of processing modules configured to provide a service, dependency information among the plurality of processing modules, and a plurality of performance parameters corresponding to the plurality of processing modules, respectively, wherein the plurality of processing modules are implemented as computer program instructions stored in one or more computer-readable storage mediums and are configured to be executed by one or more processors; determining thread configuration information based on the plurality of performance parameters, wherein the thread configuration information includes a plurality of thread numbers corresponding to the plurality of processing modules, respectively, wherein each thread number of the plurality of thread numbers is a number of threads included in a thread pool configured to execute the corresponding processing module; and packaging the plurality of processing modules, the dependency information, and the thread configuration information to generate an image for providing the service.