ci: build in debian:trixie — snow:latest exceeds Docker's layer limit#25
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The build and release jobs ran inside ghcr.io/frostyard/snow:latest. Since snosi CI began re-chunking published images into 100+ layers for efficient delta updates, Docker refuses to pull them as job containers (max depth exceeded — the ~128-layer overlay2 limit). Last green run predates the chunking (2026-02-27); PR #23's CI died on the container pull before reaching any code. debian:trixie is the same package universe snosi images are built from and all Build-Depends are stock Debian. Adds dpkg-dev/devscripts to the release job (previously inherited from the snow image); drops the now-unneeded privileged options and host mounts. Also fixes the snosi-kickoff dispatch condition: it required refs/heads/main inside a tag-triggered workflow, so it never fired. Fixes #24 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Summary
PR #23's CI failure is infrastructure, not code: the
buildjob runs insidecontainer: ghcr.io/frostyard/snow:latest, and since snosi CI began re-chunking published images into 100+ layers (for efficient delta updates), Docker cannot pull them as job containers —failed to register layer: max depth exceeded(the ~128-layer overlay2 limit). The last green run here was 2026-02-27, before the chunking. Podman/bootc hosts are unaffected; this only bites Docker consumers.Changes
build.yml+release.yml: job container →debian:trixie(the exact package universe snosi images are built from; all Build-Depends are stock Debian). Dropped the--privilegedoptions and host mounts — nothing in the steps used them.release.yml: adddpkg-dev devscriptsto the install step (previously inherited from the snow image).release.yml: fix the snosi-kickoff dispatch condition (fixes release.yml: snosi kickoff dispatch never fires (ref condition checks main on a tag-triggered workflow) #24) — it requiredrefs/heads/maininside a tag-only workflow, so the dispatch never fired.Verification
YAML parses; actionlint clean on both workflows. After this merges, re-run PR #23's checks — they should reach the actual build.
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