# Stentor Gateway — Multi-stage Dockerfile
# Builds a minimal production image for the voice gateway.

# --- Build stage ---
FROM python:3.12-slim AS builder

WORKDIR /build

# Install uv for fast dependency resolution
COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv

# Copy project files
COPY pyproject.toml .
COPY src/ src/

# Install dependencies into a virtual environment
RUN uv venv /opt/venv && \
    uv pip install --python /opt/venv/bin/python . --no-cache

# --- Runtime stage ---
FROM python:3.12-slim AS runtime

LABEL maintainer="robert"
LABEL description="Stentor Gateway — Voice gateway for AI agents"
LABEL version="0.1.0"

# Copy virtual environment from builder
COPY --from=builder /opt/venv /opt/venv

# Copy application source (for templates/static)
COPY src/ /app/src/

WORKDIR /app

# Use the venv Python
ENV PATH="/opt/venv/bin:$PATH"
ENV PYTHONPATH="/app/src"
ENV PYTHONUNBUFFERED=1

# Default configuration
ENV STENTOR_HOST=0.0.0.0
ENV STENTOR_PORT=8600

EXPOSE 8600

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD python -c "import httpx; r = httpx.get('http://localhost:8600/api/live/'); r.raise_for_status()"

CMD ["uvicorn", "stentor.main:app", "--host", "0.0.0.0", "--port", "8600"]