FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# Manim & LaTeX dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    gcc \
    pkg-config \
    libcairo2-dev \
    libpango1.0-dev \
    ffmpeg \
    texlive-latex-base \
    texlive-fonts-recommended \
    texlive-fonts-extra \
    texlive-latex-extra \
    texlive-xetex \
    git \
    curl \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

# CMD to launch FastAPI app on port 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]