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a964887 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | # ── Base image ────────────────────────────────────────────────────────────────
FROM python:3.10.12-slim-bookworm
WORKDIR /app
# ── System dependencies ───────────────────────────────────────────────────────
# build toolchain for packages with C/Fortran extensions; OpenMP and BLAS for
# the numerical stack; pango/cairo/gdk-pixbuf/fontconfig for the PDF engine —
# without these the PDF renderer fails to import and downloads degrade to
# Markdown; curl for the health check; git for the hub client.
RUN apt-get update && apt-get install -y \
build-essential \
libgomp1 \
libopenblas-dev \
gfortran \
curl \
git \
libpango-1.0-0 \
libpangoft2-1.0-0 \
libpangocairo-1.0-0 \
libcairo2 \
libgdk-pixbuf-2.0-0 \
shared-mime-info \
fontconfig \
fonts-dejavu-core \
&& rm -rf /var/lib/apt/lists/*
# ── Python dependencies ───────────────────────────────────────────────────────
# pip check fails the build on a dependency conflict; the version assert fails
# it if the base image is ever not exactly 3.10.12.
COPY requirements.txt .
RUN python -m pip install --no-cache-dir --default-timeout=120 -r requirements.txt \
&& python -m pip check \
&& python -c "import sys; assert sys.version_info[:3] == (3, 10, 12), sys.version; print('Verified Python:', sys.version)"
# ── Bootstrap ─────────────────────────────────────────────────────────────────
# Only the launcher is baked into the image. The application and its artefacts
# are fetched at runtime from private repositories identified by secrets.
COPY bootstrap.py .
EXPOSE 8501
HEALTHCHECK --interval=30s --timeout=10s --start-period=120s --retries=3 \
CMD curl --fail http://localhost:8501/_stcore/health || exit 1
ENTRYPOINT ["python", "bootstrap.py"]
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