Dockerfile.probe

# ----------  base  ----------
FROM python:3.11-slim AS probe

# ----------  system deps (include fontconfig) ----------
RUN apt-get update && apt-get install -y --no-install-recommends \
        curl \
        wget \
        ca-certificates \
        make \
        gcc \
        perl \                  
        libfontconfig1 \        
    && rm -rf /var/lib/apt/lists/*

# ----------  TinyTeX bare-bones ----------
RUN curl -L https://yihui.org/tinytex/install-unx.sh | \
        sh -s - --no-admin --scheme=small
ENV PATH="/root/.TinyTeX/bin/*:${PATH}" 

# use a fast CTAN mirror; install *nothing* yet
RUN /root/.TinyTeX/bin/*/tlmgr option repository ctan

# ----------  probe compile ----------
COPY sample.md templates/vintage.tex /probe/
COPY fonts /probe/fonts
RUN curl -L -o /usr/local/bin/pandoc \
      https://github.com/jgm/pandoc/releases/download/3.2/pandoc-3.2-linux-amd64 \
    && chmod +x /usr/local/bin/pandoc

# ignore the return code so the build continues even if LaTeX errors
RUN pandoc /probe/sample.md -o /probe/probe.pdf \
      --template=/probe/vintage.tex --pdf-engine=xelatex \
      -V fontdir=/probe/fonts/ || true

# ----------  freeze the installed list ----------
 RUN /root/.TinyTeX/bin/*/tlmgr list --only-installed --data name \
    | sort > /probe/tlpkgs.txt