Digital process controller and a method for controlling a production process of a complex composed end product by process jobs. Each process job is a pre-print job, a print job or a finishing job. The digital process controller is connected to a digital network, provided with a user interface and configured to receive print content and print and finishing specifications of the complex composed end product via the digital network, to receive a selection of a process recipe for the complex composed end product, the process recipe comprising a plurality of process steps and the relationships between the process steps, to decompose the production of the complex composed end product into the plurality of process steps in the process recipe, to execute the process recipe process step by process step, to validate each process step individually, and to display the validation result of each process step at the user interface.