FROM python:3.12-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Install curl for healthcheck
RUN apt-get update && apt-get install -y --no-install-recommends curl \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for layer caching
COPY backend/requirements.txt .

# Install dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY backend/app/ ./app/

# Copy alembic configuration for migrations
COPY backend/alembic.ini .
COPY backend/alembic/ ./alembic/

# Copy reference docs into the image
COPY reference_docs/ ./reference_docs/

# Set reference docs path for container
ENV REFERENCE_DOCS_PATH=/app/reference_docs

# Set file storage path for container
ENV FILE_STORAGE_PATH=/app/storage

EXPOSE 8000

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