# Use an official Python runtime as a parent image
FROM python:3.10.9

# Set the working directory in the container
WORKDIR /app

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

# Set environment variable for Matplotlib to use a writable directory
ENV MPLCONFIGDIR=/app/matplotlib

# Create the directory for Matplotlib config and set write permissions
RUN mkdir -p /app/matplotlib && chmod -R 777 /app/matplotlib

# Set environment variable for IPython to use a writable directory
ENV IPYTHONDIR=/app/ipython

# Create the directory for IPython config and set write permissions
RUN mkdir -p /app/ipython && chmod -R 777 /app/ipython

# Create an output folder and give it all permissions
RUN mkdir -p /app/output && chmod -R 2777 /app/output

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

# Create a non-root user
RUN useradd -m myuser

# Create a home directory for the Jupyter kernel
RUN mkdir -p /home/myuser/.local && \
    chmod -R 777 /home/myuser

# Change the owner of the application directory
RUN chown -R myuser:myuser /app /home/myuser

# Set HOME environment variable
ENV HOME=/home/myuser

# Switch to the non-root user
USER myuser

EXPOSE 7860

# Start the FastAPI app on port 7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]