Create Dockerfile

Dockerfile

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+FROM python:3.11-slim
+
+# Install system dependencies for OpenCV/Pillow image rendering
+RUN apt-get update && apt-get install -y \
+    ffmpeg \
+    libsm6 \
+    libxext6 \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /code
+
+COPY ./requirements.txt /code/requirements.txt
+
+# Install standard CPU wheels
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+COPY . .
+
+CMD ["python", "app.py"]