Dockerfile.python

# syntax=docker/dockerfile:1.6
# TechTideAI Python sidecar (LangGraph runtime).
# Optional: only required when an orchestrator routes to langgraph
# (configured via LANGGRAPH_SIDECAR_URL on the backend). Default port 4051.

FROM python:3.11-slim AS builder
ENV PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1
WORKDIR /app
RUN apt-get update && apt-get install -y --no-install-recommends build-essential \
    && rm -rf /var/lib/apt/lists/*

COPY agents/python/pyproject.toml ./
RUN pip install --upgrade pip hatchling
RUN pip install ".[server]"

COPY agents/python/src ./src

# ---- Stage 2: runtime ----
FROM python:3.11-slim AS runtime
ENV PORT=4051
WORKDIR /app
RUN useradd --create-home --uid 1001 app
COPY --from=builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin
COPY --from=builder /app/src /app/src
USER app
EXPOSE 4051
HEALTHCHECK --interval=15s --timeout=3s --start-period=10s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:4051/healthz', timeout=2).read()" || exit 1
CMD ["uvicorn", "techtide_agents.server:app", "--host", "0.0.0.0", "--port", "4051"]