Dockerfile

# Dockerfile — SecureCodeEnv V2
# python:3.11-slim base | non-root user | HF port 7860 | 2 workers
FROM python:3.11-slim

# gcc required for tree-sitter grammar compilation
# g++ required for some cryptographic packages
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# Copy project
COPY . .

# Create upload directories used by tasks
RUN mkdir -p /tmp/sandbox /tmp/uploads

# Non-root user — security best practice
RUN useradd -m appuser && chown -R appuser:appuser /app
USER appuser

# HuggingFace Spaces requires port 7860
EXPOSE 7860

# --workers 2: Redis sessions are stateless → safe to scale horizontally
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "2"]