Implementations for providing cartridges in a multi-tenant PaaS system of a cloud computing environment is disclosed. An example method includes maintaining a repository of a plurality of packages that provide functionality for multi-tenant applications executed by a node, each package of the plurality of packages comprising a software and a configuration information specifying a plurality of hooks, receiving a request to configure a first package from the plurality of packages, wherein the first package is to provide functionality for one of the multi-tenant applications, establishing a container to provide process space for the functionality of the first package, calling a configure hook from the plurality of hooks specified in the configuration information of the first package, and in response to calling the configure hook, embedding an instance of the software of the first package in the container, the instance of the software of the first package copied from the repository.