Moving existing templates, service inventories and portal installations into self-hosted Backstage. Migrations from commercial portals such as Port, Cortex, OpsLevel, Roadie and Compass are covered on the alternatives pages.
Reusing an existing Cookiecutter library: running templates as-is with fetch:cookiecutter, local versus Docker execution, and when to rewrite templates with the native fetch:template action.
Moving from Red Hat's supported Backstage distribution to an upstream app you build yourself: catalog and template portability, dynamic plugins versus compiled plugins, RBAC replacement and the support you give up.
Turning an existing list of services and owners into catalog entities: mapping fields to kinds and owners, one-off generated catalog files versus a custom entity provider, and handling records without an owner.
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