# Use an official Python runtime as the parent image
FROM python:3.11-slim

# Set the working directory in the container
WORKDIR /app

# Copy the Python 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 backend Python script
COPY app.py .

# Create directories for templates and static files
RUN mkdir templates static

# Copy the HTML template
COPY templates/index.html templates/

# Copy the JavaScript file
COPY static/script.js static/

# Make port 8000 available to the world outside this container
EXPOSE 8000

# Define environment variable
ENV FLASK_APP=app.py
ENV FLASK_RUN_HOST=0.0.0.0

# Run app.py when the container launches
CMD ["flask", "run", "--port=8000"]