Create dockerfile

dockerfile

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+# Use slim base for smaller image
+FROM python:3.11-slim
+
+# Create non-root user (HF requirement / best practice)
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH \
+    PYTHONUNBUFFERED=1
+
+WORKDIR $HOME/app
+
+# Copy and install requirements first (caching)
+COPY --chown=user . $HOME/app
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Run on port 7860 (HF default)
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]