[docs] Document proxyless container endpoint on-demand allocation (Aspire 13.5)#1199
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Documents the on-demand port allocation behavior for dynamic proxyless container endpoints introduced in Aspire 13.5 (microsoft/aspire#17851). Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Documents changes from microsoft/aspire#17851 by
@danegsta.Targeting
release/13.4— the latest release branch onmicrosoft/aspire.dev— becauserelease/13.5(from the source PR milestone13.5) does not exist there.Why this PR is needed
Aspire 13.5 adds on-demand port allocation for dynamic proxyless container endpoints (microsoft/aspire#17851). Before this change, referencing a proxyless container endpoint before container creation — for example, to inject the container’s own port as an environment variable — could deadlock or fail because the host port is normally assigned by DCP only after the container is created.
The existing networking-overview page documents proxyless endpoints but does not cover this new resolution behavior.
What changed
Updated
src/frontend/src/content/docs/fundamentals/networking-overview.mdxto add a new subsection “Resolving proxyless container endpoints before container creation” under the existing### Proxyless endpointssection. The new subsection:Files modified
src/frontend/src/content/docs/fundamentals/networking-overview.mdx— updated (new subsection added)