# Use a lightweight Python base
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install Flask
RUN pip install --no-cache-dir flask

# Copy the app into the container
COPY app.py /app/app.py

# Set environment variables
# Default value file location inside container
ENV VALUE_FILE=/data/pct
ENV PORT=8080

# Create the /data directory where the file will be mounted
RUN mkdir -p /data

# Expose port
EXPOSE 8080

# Run the server
CMD ["python", "app.py"]