Paperless-ngx v3.3.4 build recipe

github.com/paperless-ngx/paperless-ngx (v3.3.4) at 558cb01a1ddc85b3753d8fcaf5f024e7456a5c82

Fetched once, with the network on, by the vendor step (Dockerfile.vendor) when the kit was made; the offline build uses the kit's vendored copies:

• git https://github.com/paperless-ngx/paperless-ngx v${PAPERLESS_VERSION}
• https://www.python.org/ftp/python/3.12.15/Python-3.12.15.tar.xz
• https://download.pytorch.org/whl/cpu

• Base imageubuntu:24.04@sha256:24737cef17f4e22b1977df7d9a05e77c4e28b7da5b8911f8d8ccda136bf3573c
• BuildKitmoby/buildkit:v0.31.2
  sha256:e0e67ea9c4bb07bdef683e29f70f3b623d1eb9c82274a9ec04e6bb0511449fb0
• Build methodsource-rebuild-python
• SOURCE_DATE_EPOCH1792706327 (2026-10-22T21:58:47Z)
• Target digest (linux/amd64)sha256:3592e6f6da0d61d05c7030522e63614dc9390867c5d439455fce62edc9d01510
• Target config digestsha256:648fb6ec219d355ce00c4d941c8655d55ca398c2cd4c2133419b6f2877d42845
• Checksummed kit files1,731 (CHECKSUMS.sha256)

# =====================================================================
# Paperless-ngx v3.3.4 (GPL-3.0) HERMETIC OFFLINE BUILD. --network=none.
# Reassembles the vendored built filesystem onto the PINNED public ubuntu:24.04 base.
# =====================================================================
# CPython 3.12.15 COMPILED HERE, offline (--network=none), from python.org's tarball (sha256 re-checked) and
# the vendored build debs, by the same command the vendor stage ran; linked against Ubuntu's libraries.
FROM ubuntu:24.04@sha256:24737cef17f4e22b1977df7d9a05e77c4e28b7da5b8911f8d8ccda136bf3573c AS cpython
ARG SOURCE_DATE_EPOCH=1791257664
ENV SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH}
COPY vendored/paperlessngx-src/python/debs/ /tmp/cpython-debs/
COPY vendored/paperlessngx-src/python/Python-3.12.15.tar.xz /tmp/Python-3.12.15.tar.xz
RUN set --; for f in /tmp/cpython-debs/*.deb; do [ -e "$f" ] && set -- "$@" "$f"; done; \
    for pass in 1 2 3 4 5; do [ $# -eq 0 ] || dpkg -i --skip-same-version "$@" >/dev/null 2>&1 && break; done; \
    dpkg --configure -a && bad= && for d in "$@"; do p=$(dpkg-deb -f "$d" Package) v=$(dpkg-deb -f "$d" Version); \
      case "$(dpkg-query -W -f='${Version} ${db:Status-Abbrev}' "$p" 2>/dev/null)" in "$v ii"*) ;; *) bad="$bad $p=$v" ;; esac; done && \
    { [ -z "$bad" ] || { echo "vendored debs not installed at their vendored version:$bad" >&2; false; }; } && \
    : "${SOURCE_DATE_EPOCH:?the CPython build needs SOURCE_DATE_EPOCH}" && \
    echo "c2c4321961fab0fb999d66e0cecf521c2ab3994c7992873ea99e306c1094fd5a  /tmp/Python-3.12.15.tar.xz" | sha256sum -c - && \
    mkdir -p /usr/src/python && tar -xJf /tmp/Python-3.12.15.tar.xz -C /usr/src/python --strip-components=1 --no-same-owner && \
    rm -rf /tmp/cpython-debs /tmp/Python-3.12.15.tar.xz && cd /usr/src/python && \
    export DEB_BUILD_MAINT_OPTIONS=optimize=-lto && \
    PYCF="$(dpkg-buildflags --get CFLAGS) $(dpkg-buildflags --get CPPFLAGS)" && PYLD="$(dpkg-buildflags --get LDFLAGS)" && \
    ./configure --build=x86_64-linux-gnu --prefix=/usr/local --enable-shared --enable-loadable-sqlite-extensions --enable-option-checking=fatal --disable-test-modules --without-static-libpython --with-ensurepip=install --with-system-expat --without-system-libmpdec --with-dbmliborder= py_cv_module__dbm=n/a py_cv_module__gdbm=n/a py_cv_module__tkinter=n/a && \
    make -j"$(nproc)" "EXTRA_CFLAGS=$PYCF" "LDFLAGS=$PYLD,--strip-all" && \

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#!/usr/bin/env bash
# =============================================================================
# ReadyStack — offline reproducible rebuild.
#
# Rebuilds this product's image from THIS ARCHIVE ALONE, with no network access
# of any kind, and prints the resulting linux/amd64 image-manifest digest.
# Run ./VERIFY_OFFLINE.sh afterwards to assert it equals the published digest.
#
# Requirements: linux/amd64 Docker host, docker buildx >= 0.30, jq, tar.
# No git, no registry access, no additional tooling.
#
#   ./BUILD_OFFLINE.sh                the rebuild (OCI image + a docker-loadable copy)
#   ./BUILD_OFFLINE.sh --provenance   the same rebuild with SLSA v1 build provenance (mode=max) attached to the OCI
#                                     image, generated by BuildKit, not by any build step. Run on your own hardened,
#                                     isolated build platform and sign that provenance with a key the build cannot
#                                     reach, and the result meets SLSA Build Level 3 (see REBUILD.md). The image
#                                     digest is the same either way.
# =============================================================================
set -euo pipefail
PROVENANCE=0
for arg in "$@"; do
  case "$arg" in
    --provenance) PROVENANCE=1 ;;
    -h|--help) sed -n '2,20p' "$0"; exit 0 ;;

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