feat(stack): pin stock postgres:18 container image by digest (RIG-2758, T7) - #641
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…8, T7) The default container image for the S4 container-backed postgres component (T8): the stock upstream postgres:18 pinned BY DIGEST (Matt's OQ-5 ruling, DL-260) — not a nix2container build of nixpkgs postgresql and not a custom wrapper-entrypoint image. Digest-pinned for the same reason pgtest.go pins its CI image: a mutable tag would ship unreviewed, major-version-sensitive database behavior. Ledger-impact: none (DL-260 already landed in #578; this implements it). Co-authored-by: Matt Wilkinson <matt@rigel.build>
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rigel-mintaka
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August 26, 2026 03:43
mattwilkinsonn
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Aug 26, 2026
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The default container image for the S4 container-backed postgres component
(T8): the stock upstream postgres:18 pinned BY DIGEST (Matt's OQ-5 ruling,
DL-260) — not a nix2container build of nixpkgs postgresql and not a custom
wrapper-entrypoint image. Digest-pinned for the same reason pgtest.go pins its
CI image: a mutable tag would ship unreviewed, major-version-sensitive database
behavior.
Ledger-impact: none (DL-260 already landed in #578; this implements it).
Co-authored-by: Matt Wilkinson matt@rigel.build