# ==============================================================================
# FusionAGI — Multi-stage production Dockerfile
# ==============================================================================
# Build stages:
#   1. builder   — install deps + build wheel
#   2. runtime   — slim image with only runtime deps
#
# Build:
#   docker build -t fusionagi .
#   docker build --build-arg EXTRAS="api,gpu" -t fusionagi-gpu .
#
# Run:
#   docker run -p 8000:8000 fusionagi
# ==============================================================================

# ---- Stage 1: Builder ----
FROM python:3.12-slim AS builder

WORKDIR /build

# System deps for building
RUN apt-get update && \
    apt-get install -y --no-install-recommends gcc && \
    rm -rf /var/lib/apt/lists/*

COPY pyproject.toml README.md ./
COPY fusionagi/ fusionagi/

ARG EXTRAS="api"
RUN pip install --no-cache-dir --prefix=/install ".[${EXTRAS}]"

# ---- Stage 2: Runtime ----
FROM python:3.12-slim AS runtime

LABEL maintainer="FusionAGI <info@fusionagi.dev>"
LABEL org.opencontainers.image.source="https://github.com/fusionagi/fusionagi"
LABEL org.opencontainers.image.description="FusionAGI Dvādaśa — 12-headed AGI orchestration"

# Copy installed packages from builder
COPY --from=builder /install /usr/local

# Copy application code
WORKDIR /app
COPY fusionagi/ fusionagi/

# Non-root user
RUN useradd -r -s /bin/false fusionagi
USER fusionagi

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/docs')" || exit 1

EXPOSE 8000

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

CMD ["python", "-m", "uvicorn", "fusionagi.api.app:app", "--host", "0.0.0.0", "--port", "8000"]