FROM python:3.11-slim

WORKDIR /app

# System deps (minimal)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates \
 && rm -rf /var/lib/apt/lists/*

# Copy project
COPY . /app

# Install python deps (best effort):
# - If requirements.txt exists, use it.
# - Otherwise install minimal runtime.
RUN if [ -f requirements.txt ]; then pip install --no-cache-dir -r requirements.txt; \
    else pip install --no-cache-dir fastapi uvicorn stripe pydantic; fi

# Ensure data folder exists
RUN mkdir -p /app/data

EXPOSE 8000

CMD ["python", "-m", "uvicorn", "backend_main:app", "--host", "0.0.0.0", "--port", "8000"]