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Upsun User Documentation

Image properties

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Note: The properties below are available in both single-runtime image and composable image types.

For most of these properties, the syntax and details are the same for both image types. Differences in meaning and syntax are noted as needed for each property.

To learn about the properties that are unique to each image type, refer to the top-level properties described in the single-runtime image topic or the primary application properties described in the composable image topic.

access

An access dictionary that defines the access control for roles accessing app environments.

additional_hosts

An additional hosts dictionary that maps hostnames to IP addresses.

container_profile

Defines the container profile of the application.

crons

A cron dictionary that defines scheduled tasks for the app.

firewall

A firewall dictionary that defines the outbound firewall rules for the application.

hooks

A hooks dictionary that defines which commands run at different stages in the build and deploy process.

mounts

Directories that are writable even after the app is built.

relationships

A dictionary of relationships that defines the connections to other services and apps.

source

Contains information about the app’s source code and operations that can be run on it.

variables

A variables dictionary that defines variables to control the environment.

web

A web instance that defines how the web application is served.

workers

Defines the list of worker names, which are alternate copies of the application to run as background processes.