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ci: build each architecture on a native runner - #60
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arm64 images were built under QEMU on amd64 runners. Compiling the PHP extensions of 8.5-symfony took 876 s for arm64 against 67 s for amd64, so the -symfony and -ci jobs ran 7-16 minutes. Each image is now built once per architecture, arm64 on ubuntu-24.04-arm (free for public repositories), and pushed untagged by digest. A publish job per image then tags the two digests as one multi-platform image, and refuses to if one architecture is missing. - Build cache: one GitHub Actions cache scope per image and architecture. All jobs shared the default scope and overwrote each other's cache; the last scheduled run reused none of it. - Pull requests that change the workflow rebuild every image, so CI changes are tested before they reach main. - Build timeout: 90 -> 30 minutes.
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arm64 images were built under QEMU on amd64 runners. In the last scheduled run, compiling the extensions of
8.5-symfonytook 876 s for arm64 vs 67 s for amd64, so the-symfony/-cijobs took 7–16 min.ubuntu-24.04andubuntu-24.04-arm(free for public repos). No more QEMU.Publish (<path>)job per image tags both digests as one multi-platform image withdocker buildx imagetools create. It refuses to move a tag if one architecture is missing, and still publishes the other images if one fails (!cancelled()).scope=<path>-<arch>. All 23 jobs shared the default scope and overwrote each other's cache; the last scheduled run reused 0 steps.CI passednow also needspublish, which is skipped on PRs.The image list is written once (
image: &images) and reused by the publish matrix through a YAML anchor.Checked: actionlint passes, and the publish script was dry-run with 0, 1 and 2 digests (fails, fails, builds the expected
imagetools create -t … -t … repo@sha256:… repo@sha256:…command). The build half runs on this PR; the publish half only runs onmain, so the first push after merging is the one to watch.#57 (PHP 8.6) also edits the image list and will need a rebase after this one.