Switch base image to Debian Stable

Switch base image from Alpine Linux to Debian Stable, in order to reduce
our image footprint, improve our security posture, and build our
container image reproducibly.

Fixes #1046
Refs #1047
This commit is contained in:
Alex Pyrgiotis 2025-01-13 17:26:58 +02:00
parent 5ff1d30278
commit 42646877d7
No known key found for this signature in database
GPG key ID: B6C15EBA0357C9AA
2 changed files with 58 additions and 63 deletions

View file

@ -1,78 +1,71 @@
###########################################
# Build PyMuPDF
# NOTE: Updating the packages to their latest versions requires bumping the
# Dockerfile args below. For more info about this file, read
# docs/developer/reproducibility.md.
FROM alpine:latest as pymupdf-build
ARG ARCH
ARG REQUIREMENTS_TXT
ARG DEBIAN_IMAGE_DATE=20250113
# Install PyMuPDF via hash-checked requirements file
COPY ${REQUIREMENTS_TXT} /tmp/requirements.txt
FROM debian:bookworm-${DEBIAN_IMAGE_DATE}-slim
# PyMuPDF provides non-arm musl wheels only.
# Only install build-dependencies if we are actually building the wheel
RUN case "$ARCH" in \
"arm64") \
# This is required for copying later, but is created only in the pre-built wheels
mkdir -p /usr/lib/python3.12/site-packages/PyMuPDF.libs/ \
&& apk --no-cache add linux-headers g++ linux-headers gcc make python3-dev py3-pip clang-dev ;; \
*) \
apk --no-cache add py3-pip ;; \
esac
RUN pip install -vv --break-system-packages --require-hashes -r /tmp/requirements.txt
ARG GVISOR_ARCHIVE_DATE=20250106
ARG DEBIAN_ARCHIVE_DATE=20250114
ARG H2ORESTART_CHECKSUM=8a5be77359695c14faaf33891d3eca6c9d73c1224599aab50a9d2ccc04640580
ARG H2ORESTART_VERSION=v0.6.8
ENV DEBIAN_FRONTEND=noninteractive
###########################################
# Download H2ORestart
FROM alpine:latest as h2orestart-dl
ARG H2ORESTART_CHECKSUM=d09bc5c93fe2483a7e4a57985d2a8d0e4efae2efb04375fe4b59a68afd7241e2
# The following way of installing packages is taken from
# https://github.com/reproducible-containers/repro-sources-list.sh/blob/master/Dockerfile.debian-12,
# and adapted to allow installing gVisor from each own repo as well.
RUN \
--mount=type=cache,target=/var/cache/apt,sharing=locked \
--mount=type=cache,target=/var/lib/apt,sharing=locked \
--mount=type=bind,source=./container/repro-sources-list.sh,target=/usr/local/bin/repro-sources-list.sh \
--mount=type=bind,source=./container/gvisor.key,target=/tmp/gvisor.key \
: "Hacky way to set a date for the Debian snapshot repos" && \
touch -d ${DEBIAN_ARCHIVE_DATE} /etc/apt/sources.list.d/debian.sources && \
touch -d ${DEBIAN_ARCHIVE_DATE} /etc/apt/sources.list && \
repro-sources-list.sh && \
: "Setup APT to install gVisor from its separate APT repo" && \
apt-get update && \
apt-get upgrade -y && \
apt-get install -y --no-install-recommends apt-transport-https ca-certificates gnupg && \
gpg -o /usr/share/keyrings/gvisor-archive-keyring.gpg --dearmor /tmp/gvisor.key && \
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/gvisor-archive-keyring.gpg] https://storage.googleapis.com/gvisor/releases ${GVISOR_ARCHIVE_DATE} main" > /etc/apt/sources.list.d/gvisor.list && \
: "Install the necessary gVisor and Dangerzone dependencies" && \
apt-get update && \
apt-get install -y --no-install-recommends \
python3 python3-fitz libreoffice-nogui libreoffice-java-common \
python3 python3-magic default-jre-headless fonts-noto-cjk fonts-dejavu \
runsc unzip wget && \
: "Clean up for improving reproducibility (optional)" && \
rm -rf /var/cache/fontconfig/ && \
rm -rf /etc/ssl/certs/java/cacerts && \
rm -rf /var/log/* /var/cache/ldconfig/aux-cache
# Download H2ORestart from GitHub using a pinned version and hash. Note that
# it's available in Debian repos, but not in Bookworm yet.
RUN mkdir /libreoffice_ext && cd libreoffice_ext \
&& H2ORESTART_FILENAME=h2orestart.oxt \
&& H2ORESTART_VERSION="v0.6.6" \
&& wget https://github.com/ebandal/H2Orestart/releases/download/$H2ORESTART_VERSION/$H2ORESTART_FILENAME \
&& echo "$H2ORESTART_CHECKSUM $H2ORESTART_FILENAME" | sha256sum -c \
&& install -dm777 "/usr/lib/libreoffice/share/extensions/"
&& install -dm777 "/usr/lib/libreoffice/share/extensions/" \
&& rm /root/.wget-hsts
# Create an unprivileged user both for gVisor and for running Dangerzone.
RUN mkdir -p /opt/dangerzone/dangerzone && \
touch /opt/dangerzone/dangerzone/__init__.py && \
addgroup --gid 1000 dangerzone && \
adduser --uid 1000 --ingroup dangerzone --shell /bin/true \
--disabled-password --home /home/dangerzone dangerzone
###########################################
# Dangerzone image
FROM alpine:latest
# Install dependencies
RUN apk --no-cache -U upgrade && \
apk --no-cache add \
libreoffice \
openjdk8 \
python3 \
py3-magic \
font-noto-cjk
COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/fitz/ /usr/lib/python3.12/site-packages/fitz
COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/pymupdf/ /usr/lib/python3.12/site-packages/pymupdf
COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/PyMuPDF.libs/ /usr/lib/python3.12/site-packages/PyMuPDF.libs
COPY --from=h2orestart-dl /libreoffice_ext/ /libreoffice_ext
RUN install -dm777 "/usr/lib/libreoffice/share/extensions/"
RUN mkdir -p /opt/dangerzone/dangerzone
RUN touch /opt/dangerzone/dangerzone/__init__.py
COPY conversion /opt/dangerzone/dangerzone/conversion
# Add the unprivileged user. Set the UID/GID of the dangerzone user/group to
# 1000, since we will point to it from the OCI config.
#
# NOTE: A tmpfs will be mounted over /home/dangerzone directory,
# so nothing within it from the image will be persisted.
RUN addgroup -g 1000 dangerzone && \
adduser -u 1000 -s /bin/true -G dangerzone -h /home/dangerzone -D dangerzone
RUN GVISOR_URL="https://storage.googleapis.com/gvisor/releases/release/latest/$(uname -m)"; \
wget "${GVISOR_URL}/runsc" "${GVISOR_URL}/runsc.sha512" && \
sha512sum -c runsc.sha512 && \
rm -f runsc.sha512 && \
chmod 555 runsc && \
mv runsc /usr/bin/
COPY conversion/doc_to_pixels.py \
conversion/common.py \
conversion/errors.py \
conversion/__init__.py \
/opt/dangerzone/dangerzone/conversion
# Let the entrypoint script write the OCI config for the inner container under
# /config.json.
RUN touch /config.json
RUN chown dangerzone:dangerzone /config.json

View file

@ -129,6 +129,8 @@ class DocumentToPixels(DangerzoneConverter):
# At least .odt, .docx, .odg, .odp, .ods, and .pptx
"application/zip": {
"type": "libreoffice",
# NOTE: Older `file` command cannot detect hwpx files properly.
"libreoffice_ext": "h2orestart.oxt",
},
# At least .doc, .docx, .odg, .odp, .odt, .pdf, .ppt, .pptx, .xls, and .xlsx
"application/octet-stream": {