# Stage 1: Builder for dependencies
FROM python:3.11-slim-bullseye AS builder

WORKDIR /app

# Install uv
RUN pip install uv

# Copy only dependency files first to leverage Docker cache
COPY pyproject.toml ./

# Install dependencies with uv
# Use 'uv pip install --system' to install directly into the system python environment
# This avoids creating a virtualenv inside the Docker build stage
RUN uv pip install --system .

# Stage 2: Final image
FROM python:3.11-slim-bullseye

WORKDIR /app

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

# Copy installed dependencies from builder
# We copy the entire site-packages directory
COPY --from=builder /usr/local/lib/python3.11/site-packages/ /usr/local/lib/python3.11/site-packages/
# Also copy uv itself (optional, but good for debugging)
COPY --from=builder /usr/local/bin/uv /usr/local/bin/uv
# And the bin directory for executables like 'uvicorn'
COPY --from=builder /usr/local/bin/ /usr/local/bin/

# Copy application code
COPY server.py ./

# Expose the port Uvicorn will listen on
EXPOSE 8000

# Run the Uvicorn server
CMD ["python", "server.py"]