Dockerfile

# ---------------------------------------------------------------------------
# Smart Contract Audit RL Environment
# Hugging Face Space — Docker runtime
# ---------------------------------------------------------------------------

FROM python:3.11-slim

WORKDIR /app

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

# Install Python deps first (layer cache)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy project
COPY . .

# Create empty __init__ files if missing (safety)
RUN touch env/__init__.py tasks/__init__.py tasks/task1/__init__.py \
         tasks/task2/__init__.py tasks/task3/__init__.py \
         data/__init__.py utils/__init__.py

# HF Spaces requires port 7860
EXPOSE 7860

# Healthcheck
HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

# Launch FastAPI
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]