Dockerfile

# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    docker.io \
    && rm -rf /var/lib/apt/lists/*

# Set the working directory in the container
WORKDIR /app

# Copy the current directory contents into the container at /app
COPY . /app

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir \
    docker \
    requests

# Make port 3000 available to the world outside this container
EXPOSE 3000

# Define environment variable to ensure Python outputs are sent to terminal
ENV PYTHONUNBUFFERED=1

# Run app.py when the container launches
CMD ["python", "app.py"]