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chore: Build on the Go 1.27 toolchain - #323
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Go 1.26 stops getting security fixes when Go 1.28 ships in February 2027. Building on 1.27 now keeps the binaries patched and the fleet on one Go line. Key features/changes: - Move the build images to golang:1.27 - Add a go.mod toolchain line, which actions/setup-go uses over the go line, so CI also builds and tests on 1.27 - Move golangci-lint to v2.15.0, which can type-check the Go 1.27 standard library - Leave the go line unchanged, so the binaries keep their current GODEBUG runtime defaults; raising it is a separate change
ecv
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November 2, 2026 19:34
ecv
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November 2, 2026 19:34
kevwilliams
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Nov 2, 2026
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Verified all four CI runs set up Go 1.27.3 from the toolchain line and no Go 1.26 pin remains in any image or workflow.
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Summary
Go 1.26 stops getting security fixes in February 2027. This builds and tests on Go 1.27 with runtime behaviour unchanged: the go.mod
goline stays at 1.26.0, so the binaries keep their current GODEBUG defaults.golang:1.27toolchain go1.27.3, whichactions/setup-go(go-version-file: go.mod) uses over thegolineThis is step 1 of https://github.com/datum-cloud/infra/issues/8340 per https://github.com/datum-cloud/infra/blob/main/docs/upgrades/go.md. Raising the
goline is step 2 and ships separately.golangci-lint run ./...(v2.15.0) reports 0 issues, so no lint exclusions were needed.Test plan
Related to #322