fix(docker): fix docker image config folder

Dockerfile

@@ -3,13 +3,13 @@ LABEL authors="Belphemur"
 ENV USER=abc
 ENV CONFIG_FOLDER=/config
 ENV PUID=99
-RUN mkdir -p "${CONFIG_FOLDER}" && adduser \
+RUN adduser \
     --disabled-password \
     --gecos "" \
     --home "$(pwd)" \
     --ingroup "users" \
-    --no-create-home \
     --uid "${PUID}" \
+    --home "${CONFIG_FOLDER}" \
     "${USER}" && \
     chown ${PUID}:${GUID} "${CONFIG_FOLDER}"
 
@@ -17,5 +17,6 @@ COPY CBZOptimizer /usr/local/bin/CBZOptimizer
 
 RUN apk add --no-cache inotify-tools bash-completion  && chmod +x /usr/local/bin/CBZOptimizer && /usr/local/bin/CBZOptimizer completion bash > /etc/bash_completion.d/CBZOptimizer
 
+VOLUME ${CONFIG_FOLDER}
 USER ${USER}
 ENTRYPOINT ["/usr/local/bin/CBZOptimizer"]