# --- Base image
FROM python:3.12-slim

# System deps (add build tools if you need to compile packages)
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl && \
    rm -rf /var/lib/apt/lists/*

# Set workdir
WORKDIR /app

# Copy deps first for better Docker layer caching
COPY requirements.txt /app/
RUN pip install --no-cache-dir -r requirements.txt

# Copy app code
COPY app /app/app

# Expose port
EXPOSE 8000

# Non-root (optional good practice)
RUN useradd -m appuser
USER appuser

# Launch server
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]