informed-decision/Containerfile

# Base matches the approved Approval Engine Alpine family; scan each candidate.
# Built by owner CI (.forgejo/workflows/service-image.yaml) from a tarball of the pushed commit; the
# wheel is built inside the image from source, so no workstation dist/ is involved.
FROM python:3.12-alpine@sha256:b64631e04e4920160c50fbe8d8df828f7f35f06f425cb44aa09bca53e708a35a AS wheel
ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1 PIP_DISABLE_PIP_VERSION_CHECK=1
COPY requirements-build.lock /src/requirements-build.lock
RUN pip install --no-cache-dir --require-hashes --only-binary=:all: -r /src/requirements-build.lock
COPY pyproject.toml /src/pyproject.toml
COPY informed_decision /src/informed_decision
RUN pip wheel --no-cache-dir --no-deps --no-build-isolation --wheel-dir /dist /src

FROM python:3.12-alpine@sha256:b64631e04e4920160c50fbe8d8df828f7f35f06f425cb44aa09bca53e708a35a AS build
ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1 PATH=/opt/venv/bin:$PATH
RUN python -m venv /opt/venv
COPY requirements.lock /build/requirements.lock
RUN pip install --no-cache-dir --require-hashes --only-binary=:all: -r /build/requirements.lock
COPY --from=wheel /dist/ /build/
RUN pip install --no-cache-dir --no-deps --no-index /build/informed_decision-*.whl

FROM python:3.12-alpine@sha256:b64631e04e4920160c50fbe8d8df828f7f35f06f425cb44aa09bca53e708a35a
ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1 PATH=/opt/venv/bin:$PATH
# zlib >= 1.3.2-r1 (INFD-WP-0009-T05 remediation, live since 2026-10-11 in f5588f49): the same
# hash-pinned, Alpine-signed package the zlib overlay installs, upgraded offline. The build fails
# if the result is older; a newer zlib already in the base is left as is.
COPY deploy/zlib-overlay/zlib-1.3.2-r1.apk deploy/zlib-overlay/APKINDEX.tar.gz /tmp/infd-zlib/x86_64/
RUN echo '63aeea03c15a2f9018f81805cfc8aa926bdf5cd68921f22149c2fbb5d0ee9f47  /tmp/infd-zlib/x86_64/zlib-1.3.2-r1.apk' | sha256sum -c - \
 && echo '24fc2ccb08f3125429a38b31bd6c76a7b394c6236df0975760dc8259e50dfbd5  /tmp/infd-zlib/x86_64/APKINDEX.tar.gz' | sha256sum -c - \
 && apk verify /tmp/infd-zlib/x86_64/zlib-1.3.2-r1.apk /tmp/infd-zlib/x86_64/APKINDEX.tar.gz \
 && apk upgrade --no-logfile --no-network --no-cache --no-preupgrade --repositories-file /dev/null --repository /tmp/infd-zlib zlib \
 && apk info --exists 'zlib>=1.3.2-r1' \
 && rm -rf /tmp/infd-zlib
RUN apk add --no-cache 'libuuid>=2.42.3-r1' \
    && apk info --exists 'zlib>=1.3.2-r1' \
    && addgroup -S -g 10001 informed \
    && adduser -S -u 10001 -G informed -H informed
COPY --from=build /opt/venv /opt/venv
# No package installer or build tooling belongs in the running service.
RUN rm -rf /usr/local/bin/pip* /usr/local/lib/python3.12/site-packages/pip* \
    /usr/local/lib/python3.12/site-packages/setuptools* /usr/local/lib/python3.12/site-packages/pkg_resources \
    /opt/venv/bin/pip* /opt/venv/lib/python3.12/site-packages/pip* \
    /opt/venv/lib/python3.12/site-packages/setuptools* /opt/venv/lib/python3.12/site-packages/pkg_resources
WORKDIR /app
USER 10001:10001
EXPOSE 8080 8081
ENTRYPOINT ["informed-decision-container"]