Dockerfile

# Start with Python 3.12 image
FROM python:3.12-slim

# Install Node.js 18.x and Supervisor
RUN apt-get update && apt-get install -y curl supervisor && \
    curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
    apt-get install -y nodejs && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Verify installations
RUN python --version && node --version && npm --version

# Set working directory
WORKDIR /app

# Copy your application files
COPY . .

# Install any needed packages specified in requirements.txt and package.json
RUN pip install --no-cache-dir -r requirements.txt
RUN npm install

# Create a Supervisor configuration file
RUN echo "[supervisord]\n\
nodaemon=true\n\
\n\
[program:python_server]\n\
command=python python_server.py\n\
stdout_logfile=/dev/stdout\n\
stdout_logfile_maxbytes=0\n\
stderr_logfile=/dev/stderr\n\
stderr_logfile_maxbytes=0\n\
\n\
[program:node_server]\n\
command=node node_server.js\n\
stdout_logfile=/dev/stdout\n\
stdout_logfile_maxbytes=0\n\
stderr_logfile=/dev/stderr\n\
stderr_logfile_maxbytes=0" > /etc/supervisor/conf.d/supervisord.conf

# Expose ports for both servers
EXPOSE 3000 5000

# Start Supervisor to run both servers
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]