Currently, we are implementing Alfresco Content Services as a DMS for a large department in our company. The main feature we want from Content Services in this use case is the ability to add metadata to documents. As far as I know, the recommended approach is to define a metadata model. To my knowledge, such a metadata model can no longer be freely modified once deployed (please correct me if I'm wrong).
However, the department is so large that we have to choose an agile approach to the implementation. But this will not work if the metadata model is static and cannot be changed after being deployed for the first time.
How can we implement a metadata model in an agile way?