Create Dockerfile

Dockerfile

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+FROM python:3.10-slim
+WORKDIR /app
+
+# install system deps for pdf2image+poppler
+RUN apt-get update -qq \
+    && apt-get install -y --no-install-recommends poppler-utils \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app.py .
+
+# expose the same port HF uses by default
+EXPOSE 7860
+
+# launch your FastAPI via Uvicorn
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]