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The Runtimes While runtimes are not inherently tied to workflow execution, they play a crucial role in defining the execution environment for Apache KIE components. Understanding their relationship within the ecosystem is essential for deployment and integration.

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Supported Runtimes

In the Apache KIE context, runtime refers to the underlying platform where the software runs. Currently, two primary runtimes are supported:
  1. Quarkus – The preferred and most mature integration, benefiting from historical affinity with Red Hat technologies.
  2. Spring Boot – A supported alternative but not as feature-complete as Quarkus.
For Drools, Apache KIE also supports an embedded mode, allowing direct execution via a simple Java main method without requiring a full runtime framework. By aligning with Quarkus as the preferred runtime, Apache KIE ensures optimized performance, efficient resource utilization, and seamless cloud-native integration.