Update Dockerfile

Dockerfile

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+# Use the official Python base image
+FROM python:3.9
+
+# Set the working directory in the container
+WORKDIR /code
+
+# Copy the requirements.txt file and install the Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Run the Flask application
+CMD ["flask", "run", "--host=0.0.0.0"]