# Use the official Python base image
FROM python:3.8-slim

# Set the working directory, subsequent commands will be executed in this directory
WORKDIR /app

# Copy all files in the current directory to the working directory
COPY . /app

# Install Flask library
RUN pip install Flask

# Tell Docker the port number to listen on when running the container
EXPOSE 5000

# Set environment variables to ensure Flask is running in production mode
ENV FLASK_ENV=development

# Set the startup command to run the Flask application
CMD ["flask", "run", "--host=0.0.0.0"]