Create Dockerfile

Dockerfile

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+FROM python:3.11-slim
+
+# Create user for HuggingFace Spaces
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+ENV PYTHONPATH="/app"
+
+WORKDIR /app
+
+# Copy requirements first (Docker layer caching)
+COPY --chown=user ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy entire project
+COPY --chown=user . /app
+
+# HuggingFace Spaces port
+EXPOSE 7860
+
+# Start CardioQA API
+CMD ["python", "src/api/main.py"]