Dockerfile.langgraph

# =============================================================================
# Dockerfile for LangGraph Server
# ToG 3.0 MACER Workflow Server
# =============================================================================

FROM python:3.11-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY pyproject.toml README.md ./
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -e . && \
    pip install --no-cache-dir "langgraph-cli[inmem]>=0.1.0"

# Copy application code
COPY src/ ./src/
COPY langgraph.json ./

# Environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run LangGraph Server
CMD ["langgraph", "dev", "--host", "0.0.0.0", "--port", "8000", "--no-browser"]