AUTOMATICALLY CONFIGURING EXECUTION OF A CONTAINERIZED APPLICATION

Provided is a system for automatically generating a set of parameters that can be used to execute a user application on a cluster of compute instances on behalf of a user, where the set of parameters specifies the one or more container images that need to be executed as part of executing the user application. For example, the user may specify a set of container images that are part of the user application, and the system may automatically determine the parameters that define the computing environment in which the user application is to be executed, such as the resource allocation and networking configuration parameters, without the user having to provide such parameters to the system. These parameters can be packaged into the set of parameters (also referred to herein as a task definition), which can be used in future executions of the user application.