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Fix PowerPC Dockerfile to use Snapshot consistently (#1554)

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* Update _index.md

* Update _index.md

* Fix PowerPC Dockerfile to use Snapshot consistently

---------

Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>
This commit is contained in:
Christoph Rüthing 2026-08-20 09:11:15 +02:00 committed by GitHub
parent 88b629c121
commit 67d033cab0
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1 changed files with 24 additions and 12 deletions
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36
.devcontainer/powerpc/Dockerfile
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@ -1,10 +1,32 @@
# powerpc Test Environment for ETL
# Uses QEMU user-mode emulation to run powerpc binaries on x64 host
FROM debian:sid-20260406
#
# NOTE: floating tags like "sid" or "sid-slim" drift over time and cannot be
# pinned retroactively (Docker Hub keeps only the latest manifest per tag).
# debian:sid-20260202 is a dated, immutable tag (built and pushed once, not
# retagged later), pinned here by digest for full reproducibility. All apt
# sources are also switched to the matching snapshot.debian.org archive
# before the first "apt-get update" runs.
FROM debian@sha256:9ab6e6f3543eeb30510c516377bbb05f95ebb7507a956c0b772184deb7ecd340
# Avoid prompts from apt
ENV DEBIAN_FRONTEND=noninteractive
# Pin apt to the snapshot.debian.org archive for the given date BEFORE any
# package installation, so every apt-get update/install in this file (not
# just the ones after this point) resolves to the exact same package set.
RUN rm -f /etc/apt/sources.list /etc/apt/sources.list.d/*.sources
RUN cat <<EOF > /etc/apt/sources.list.d/debian.sources
Types: deb
URIs: http://snapshot.debian.org/archive/debian/20260202T000000Z
Suites: sid
Components: main
Signed-By: /usr/share/keyrings/debian-archive-keyring.pgp
EOF
RUN echo 'Acquire::Check-Valid-Until "false";' > /etc/apt/apt.conf.d/99no-check-valid
# Install QEMU user-mode emulation and powerpc cross-compilation tools
RUN dpkg --add-architecture powerpc && \
apt-get update && apt-get install -y --no-install-recommends \
@ -20,25 +42,15 @@ RUN dpkg --add-architecture powerpc && \
debian-ports-archive-keyring \
&& rm -rf /var/lib/apt/lists/*
RUN cat <<EOF > /etc/apt/sources.list.d/debian.sources
Types: deb
URIs: http://snapshot.debian.org/archive/debian/20260406T000000Z
Suites: sid
Components: main
Signed-By: /usr/share/keyrings/debian-archive-keyring.pgp
EOF
RUN cat <<EOF > /etc/apt/sources.list.d/powerpc.sources
Types: deb
URIs: http://snapshot.debian.org/archive/debian-ports/20260406T000000Z
URIs: http://snapshot.debian.org/archive/debian-ports/20260202T000000Z
Suites: sid
Components: main
Architectures: powerpc
Signed-By: /usr/share/keyrings/debian-ports-archive-keyring.gpg
EOF
RUN echo 'Acquire::Check-Valid-Until "false";' > /etc/apt/apt.conf.d/99no-check-valid
RUN apt-get update && apt-get install -y --no-install-recommends \
qemu-user-static \
qemu-user \