FROM python:3.12-slim

WORKDIR /app

ARG APP_VERSION=dev

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONPATH=/app \
    MPLBACKEND=Agg \
    SERVICE_PORT=8002 \
    APP_VERSION=${APP_VERSION}

LABEL org.opencontainers.image.title="srv-spectroscopy" \
      org.opencontainers.image.version="${APP_VERSION}"

RUN apt-get update && apt-get install -y --no-install-recommends \
    libgomp1 \
    libgfortran5 \
    curl \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

EXPOSE 8002

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8002"]