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# Multi-stage build for Land Redistribution API
FROM python:3.11-slim as builder
# Set working directory
WORKDIR /app
# Install system dependencies required for scientific libraries
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential \
gcc \
g++ \
gfortran \
libopenblas-dev \
liblapack-dev \
&& rm -rf /var/lib/apt/lists/*
# Copy requirements first for better caching
COPY requirements.txt .
# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
pip install --no-cache-dir -r requirements.txt
# Final stage
FROM python:3.11-slim
# Set working directory
WORKDIR /app
# Install runtime dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
libopenblas0 \
libgomp1 \
&& rm -rf /var/lib/apt/lists/*
# Copy Python 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 application code
COPY . .
# Create non-root user
RUN useradd -m -u 1000 appuser && \
chown -R appuser:appuser /app
# Switch to non-root user
USER appuser
# Expose Hugging Face Spaces default port
EXPOSE 7860
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD python -c "import requests; requests.get('http://localhost:7860/health')"
# Run the application
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]
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