Add guidance on splitting process groups into separate apps#2387
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Add guidance on splitting process groups into separate apps#2387
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Expands the "Maybe you want multiple apps, though" section with the metrics-based autoscaler use case and the shared-image deploy workflow (fly deploy --build-only --push, then fly deploy --image ...). Notes that secrets must be set per app.
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…s guide Linter flagged the corporate-speak phrase; replace with "ultimately". Also rephrases the new separate-apps paragraph to avoid an em dash.
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Summary
Expands the "Maybe you want multiple apps, though" section in
app-guides/multiple-processes.html.mdwith practical guidance on when and how to split process groups into separate Fly apps:fly deploy --build-only --pushto build once, thenfly deploy --image registry.fly.io/app:deployment-xxxxto deploy to each appContent sourced from the internal solutions architecture guide. Inter-app
.internalnetworking was already covered in the preceding paragraph, so no duplication.