Create Dockerfile

Dockerfile

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+FROM python:3.9-slim
+
+# Install git and clean up in the same layer to keep the image size down
+RUN apt-get update && \
+    apt-get install -y git && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# First copy only requirements to leverage Docker cache
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy all application files
+COPY . .
+
+# Set environment variables
+ENV FLASK_APP=app.py
+ENV FLASK_ENV=production
+ENV PORT=7860
+
+# Expose the port Hugging Face Spaces expects
+EXPOSE 7860
+
+# Start the application
+CMD ["python", "app.py"]