Supported customizable features and capabilitiesΒΆ The following features and capabilities are customizable in a 12-factor app rock and charm: Adding configurations Adding actions Adding new dependencies in the OCI image Adding extra files or changing the project structure Database migrations Enabling supported relations Handling secrets Overriding commands Task manager and scheduler DjangoExpressFastAPIFlaskGoSpring BootCharmcraft Django extension | Worker and Scheduler Services Charmcraft Express extension | Worker and Scheduler Services Charmcraft FastAPI extension | Worker and Scheduler Services Charmcraft Flask extension | Worker and Scheduler Services Charmcraft Go extension | Worker and Scheduler Services Charmcraft Spring Boot extension | Worker and Scheduler Services