# 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 server code into the container
COPY ./app .

# Make port 8765 available to the world outside this container
EXPOSE 8765

# Define environment variable for the server host (useful if changing binding)
# ENV SERVER_HOST=0.0.0.0 # Use 0.0.0.0 to bind to all interfaces if needed

# Run server.py when the container launches
# We use a list form of CMD to properly handle signals
CMD ["python", "server.py"]