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Deployment & Hosting

What a build emits, what a hosting target must provide for each feature to work, and what breaks when one release replaces the last. Asked because the same app behaves differently on every target.

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How can requests from an already-loaded page be pinned to the build that served it, and what does that require of the hosting setup?

level: seniorimportance: nice to knowfreq 36%

basics

~20 s

Stamp a deployment identifier into each document, have the client echo it on every later request, and route on it to the retained older deployment. It needs old versions addressable, a drain window, and an expiry that forces a reload.

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