Dockerfile

# Multi-stage build for smaller image size
FROM python:3.11-slim as builder

# Set working directory
WORKDIR /app

# Install build dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy project files
COPY pyproject.toml ./
COPY MANIFEST.in ./
COPY README.md ./
COPY subnet ./subnet

# Install dependencies
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -e .

# Production stage
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install runtime dependencies
RUN apt-get update && apt-get install -y \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

# Copy installed packages from builder
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/subnet /app/subnet

# Create non-root user for security
RUN useradd -m -u 1000 apiuser && \
    chown -R apiuser:apiuser /app

USER apiuser

# Expose API port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/api/v1.0/health')"

# Set environment variables
ENV API_HOST=0.0.0.0
ENV API_PORT=8000
ENV API_DB_PATH=/data/rocksdb

# Run the API server
CMD ["python", "-m", "subnet.api.main"]