# ── LaTeX Studio — HuggingFace Spaces Docker image ──────────────────────────
FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# ── System dependencies ───────────────────────────────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 python3-pip python3-dev \
    lmodern \
    texlive-latex-base \
    texlive-latex-recommended \
    texlive-latex-extra \
    texlive-fonts-recommended \
    texlive-fonts-extra \
    texlive-pictures \
    texlive-science \
    texlive-xetex \
    pandoc \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

# ── Python dependencies ───────────────────────────────────────────────────────
WORKDIR /app
COPY backend/requirements.txt /app/requirements.txt
RUN pip3 install --no-cache-dir -r requirements.txt

# ── Application files ─────────────────────────────────────────────────────────
# Backend Python source
COPY backend/ /app/

# Frontend HTML/CSS/JS (parent of /app/ → /frontend/)
COPY frontend/ /frontend/

# LaTeX templates — use a no-space path inside /app/ to avoid Docker issues
COPY ["latex templates/", "/app/latex_templates/"]

# HuggingFace Spaces requires port 7860
EXPOSE 7860

# ── Launch ────────────────────────────────────────────────────────────────────
CMD ["python3", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]