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Dockerfile

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+# Use an official Python runtime as a parent image
+FROM python:3.13-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the requirements file into the container
+COPY requirements.txt .
+
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the client code into the container
+COPY client.py .
+
+# Define environment variable for the server host
+# This will be set by the Makefile when running the container
+ENV SERVER_HOST=localhost
+
+# Run client.py when the container launches
+# We use a list form of CMD to properly handle signals
+CMD ["python", "client.py"]