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ci: Remove caching from host preview deployments #4882

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Merged
backspace merged 5 commits into from
May 19, 2026
+6 −0
Merged

ci: Remove caching from host preview deployments #4882

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4d186c4
ci: Remove caching from host preview deployments
backspace May 19, 2026
bce0f6b
Add nonsense change
backspace May 19, 2026
d86be8b
Merge remote-tracking branch 'origin/main' into ci-host-preview-less-…
backspace May 19, 2026
a8241cc
Restore nonsense change
backspace May 19, 2026
455a7d6
Remove nonsense change
backspace May 19, 2026
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6 changes: 6 additions & 0 deletions packages/host/config/deploy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,12 @@ module.exports = function (deployTarget) {
deployTarget === 's3-preview-production'
) {
ENV.s3.prefix = process.env.PR_BRANCH_NAME;
// Previews should always serve the latest build for the PR, so a reviewer
// returning later sees current state without a shift-refresh. The default
// is `max-age=63072000, public` plus a 2029 Expires, which pins assets in
// the browser for ~2 years.
ENV.s3.cacheControl = 'no-cache, max-age=0, must-revalidate';
ENV.s3.expires = new Date(0);
}

return ENV;
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