# 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"]