Embodiments relate to container migration and provisioning. An aspect includes receiving a request to migrate a composite application to a container-based environment. Another aspect includes determining a plurality of software components that make up the composite application. Another aspect includes determining communications patterns between the plurality of software components. Another aspect includes determining a containerization plan for the composite application based on the determined communications patterns. Another aspect includes creating a plurality of containers, and communications channels between the plurality of containers, for the software components of the composite application based on the containerization plan.