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builder: pin the nixos/nix base image by digest #156

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Merged
Meirtz merged 1 commit into from
Jul 22, 2026
Merged

builder: pin the nixos/nix base image by digest #156

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6 changes: 5 additions & 1 deletion agentix/builder/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,11 @@
#
# Nix runs only inside this build — the host needs just docker.

ARG AGENTIX_BUILDER_BASE=nixos/nix:latest
# Pinned by digest: the floating `latest` tag moved to an image whose
# nix binary segfaults under qemu-user x86_64 emulation on arm64 hosts
# (breaks the cross-arch e2e matrix), and an unpinned base makes bundle
# builds unreproducible. Override with --build-arg to test newer images.
ARG AGENTIX_BUILDER_BASE=nixos/nix:latest@sha256:bf1d938835ab96312f098fa6c2e9cab367728e0aad0646ee3e02a787c80d8fb8
FROM ${AGENTIX_BUILDER_BASE}

# Flakes + the modern CLI; accept flake `nixConfig` for substituters.
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