Create Dockerfile

Dockerfile

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+# Hugging Face Spaces - Sixfinger Backend API Dockerfile
+
+FROM python:3.11-slim
+
+# Working directory
+WORKDIR /app
+
+# System dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy application
+COPY main.py .
+
+# Hugging Face Spaces PORT
+ENV PORT=7860
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:7860/health || exit 1
+
+# Expose port
+EXPOSE 7860
+
+# Run application
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]