Create Dockerfile

Dockerfile

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+# Use a lightweight Python image
+FROM python:3.10-slim
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first (for caching layers)
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the code
+COPY . .
+
+# Expose the port Flask/Gunicorn will run on
+EXPOSE 5000
+
+# Run with Gunicorn (production server)
+CMD ["gunicorn", "app:app", "--bind", "0.0.0.0:5000", "--workers", "4"]