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zeekayandHanzo Dev 2c05079a08 docker: pin the Go builders to 1.26.5 and let the toolchain upgrade itself
The official golang images set GOTOOLCHAIN=local, so a builder stage older
than the governing go.mod directive does not upgrade — it dies:

    go: go.mod requires go >= 1.26.5 (running go 1.26.4; GOTOOLCHAIN=local)

go.mod here is go 1.26.5, and the two dev builders were on golang:1.24-alpine
and golang:1.25-alpine.

Two independent halves:
  1. pin the dev builders to golang:1.26.5-alpine;
  2. set ENV GOTOOLCHAIN=auto in every Go builder stage — including the two
     images hanzo.yml actually publishes (s3-csi, s3-mount). Those sit on the
     floating golang:1.26-alpine tag, which satisfies the directive today and
     silently stops satisfying it the day go.mod crosses 1.27. GOTOOLCHAIN=auto
     makes that a checksum-verified download (sum.golang.org) rather than a
     failed release build. Their pins are left alone; only the ENV is added.

Separately, and NOT fixed here because it is a different bug: both .dev
builders `git clone https://github.com/s3/s3`, which is HTTP 404 — a stale
pre-rebrand URL. `make container-csi` / `container-mount` therefore cannot
succeed regardless of the Go pin. They are stale duplicates of
cmd/s3-csi-driver/Dockerfile and cmd/s3-mount/Dockerfile, which build the
same binaries correctly against github.com/hanzoai/s3 and are the ones
hanzo.yml and the integration workflow use. Deleting them and dropping the
Makefile targets is the DRY fix, but that is a deliberate call, not a
side effect of a toolchain patch.

Co-authored-by: Hanzo Dev <[email protected]>
2026-08-01 16:18:12 -07:00
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