Update Dockerfile

Dockerfile

@@ -4,11 +4,8 @@ FROM python:3.8
 # Set the working directory in the container
 WORKDIR /app
 
-# Set MPLCONFIGDIR environment variable to a writable directory
-ENV MPLCONFIGDIR=/tmp/matplotlib_config
-
-# Set the FONTCONFIG_PATH environment variable
-ENV FONTCONFIG_PATH=/tmp/fontconfig
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
 
 # Copy the requirements file into the container
 COPY requirements.txt /app/