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Documentation Index

Fetch the complete documentation index at: https://developer.upsun.com/llms.txt

Use this file to discover all available pages before exploring further.

Optional in single-runtime and composable images. The following table shows the properties that can be set in source:
NameTypeRequiredDescription
operationsAn operations dictionaryOperations that can be applied to the source code. See source operations.
rootstringThe path where the app code lives. Useful for multi-app setups.
Single-runtime image: Defaults to the directory of the .upsun/config.yaml file.
Composable image: Defaults to the root project directory.
Last modified on March 13, 2026