# syntax=docker/dockerfile:1

FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    HF_HOME=/root/.cache/huggingface \
    MODELSCOPE_CACHE=/root/.cache/modelscope

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends libgl1 libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Layer 1: Python deps — only rebuilds when pyproject.toml changes.
COPY pyproject.toml README.md ./
RUN --mount=type=cache,target=/root/.cache/pip \
    pip install --upgrade pip \
    && pip install \
        "fastapi>=0.115" \
        "uvicorn[standard]>=0.30" \
        "python-multipart>=0.0.9" \
        "pydantic-settings>=2.4" \
        "openocr-python==0.1.5"

# Layer 2: app code — code changes only rerun this lightweight step.
COPY src ./src
RUN pip install --no-deps --no-cache-dir .

EXPOSE 8000

CMD ["uvicorn", "openocr_markdown.api:app", "--host", "0.0.0.0", "--port", "8000"]