chore: Update Dockerfile to set HOME env variable and create .cache and .config directories

Dockerfile

@@ -47,6 +47,11 @@ RUN echo "chatbot ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/90-chatbot
 
 USER chatbot
 
+# Set HOME env variable
+ENV HOME=/home/chatbot
+# Create the .cache and .config directories and set permissions
+RUN mkdir $HOME/.cache $HOME/.config && chmod -R 777 $HOME
+
 RUN --mount=target=requirements.txt,source=requirements.txt pip install --no-cache-dir --upgrade -r requirements.txt
 
 WORKDIR $HOME/app