Start and dispose the generic application host in ImageBuilder#2134
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Copilot
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[WIP] Fix ImageBuilder to start and manage application host
Start and dispose the generic application host in ImageBuilder
Jun 1, 2026
Replace the static `Lazy<IHost>` on `ImageBuilder` with a `CreateAppHost()` factory so the composition root (`Program`) unambiguously builds, owns, and disposes the host. Resolve commands directly via `GetServices<ICommand>()` and drop the static `Services`/`Commands` accessors. `StandaloneLoggerFactory` now owns a settable `ILoggerFactory` (defaulting to `NullLoggerFactory.Instance`) that `Program` wires from the host, instead of reaching into a static service provider. Convert `McrTagsMetadataGenerator`'s type-load-time static logger field to a property so it no longer captures the default factory before `Program` configures logging. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
mthalman
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Jun 4, 2026
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Also consider updating the PR description to reflect the evolved approach.
…uilder-host-management
lbussell
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Jun 8, 2026
mthalman
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Jun 9, 2026
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@copilot resolve the merge conflicts in this pull request |
…lder-host-management # Conflicts: # src/ImageBuilder/ImageBuilder.cs
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ImageBuilderbuilt aMicrosoft.Extensions.Hostinghost only to expose itsIServiceProvider, discarding theIHost. The container was never started, stopped, or disposed, so DI-owned disposable singletons were never released deterministically.ImageBuilder.ServicesandImageBuilder.Commandswith a newImageBuilder.CreateAppHost()method that builds and returns anIHostProgram.csentry point to use the host for resolving services and commands, and to manage application startup/shutdown lifecycle withStartAsyncandStopAsyncFixes #2124