Added support for docker. The server can run over docker

Dockerfile

@@ -0,0 +1,20 @@
+# Use an official Python runtime as a parent image
+FROM python:3.11.15-slim
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy requirements file to image
+COPY requirements.txt requirements.txt
+
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code into the container
+COPY server.py server.py
+
+# Make port 5000 available to the world outside this container
+EXPOSE 5000
+
+# Run the application
+CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:5000", "server:app"]