Replace prints with logger

Dockerfile

@@ -38,7 +38,7 @@ FROM python:3.12-alpine3.20
 WORKDIR /src
 COPY ./python/src/ .
 COPY ./python/docker_entrypoint.sh /
-RUN mkdir data
+RUN mkdir -p data/log
 VOLUME /src/data
 
 RUN apk add --no-cache sudo bluez tzdata