compose_unavailable

HTTP status: 403

What the API sends

{"error":"compose_unavailable","message":"Compose stacks are not available in the private preview. Deploy each service from your compose file as an app. For a database service, create a managed database instead."}

When it happens

A request created or redeployed a compose stack. Compose stacks are not available in the private preview.

What to do

Deploy each service from your compose file as an app. For a database service, create a database.

What your tools show

The Astris CLI shows the message. The Astris MCP puts the same sentence at the start of its compose tool description.