Dockerfile

# Base image
FROM python:3.9

# Set the working directory inside the container
WORKDIR /code

# Create directories for Matplotlib and Fontconfig caches
RUN mkdir -p /tmp/matplotlib_cache /tmp/fontconfig && chmod -R 777 /tmp/matplotlib_cache /tmp/fontconfig

# Set environment variables for caches
ENV MPLCONFIGDIR=/tmp/matplotlib_cache
ENV FONTCONFIG_PATH=/tmp/fontconfig

# Copy the dependencies file to the working directory
COPY ./requirements.txt /code/requirements.txt

# Install any dependencies
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Copy the content of the local src directory to the working directory
COPY . .

# Specify the command to run on container start
CMD ["python", "app.py"]