Set working dir to home

Dockerfile

@@ -1,6 +1,7 @@
 FROM python:3-alpine
 # only copy necessary files for better cache
+WORKDIR /home/
 COPY requirements.txt refresh_cdn.py ./
 RUN python3 --version
 RUN pip3 install -r requirements.txt
-ENTRYPOINT python3 refresh_cdn.py
+ENTRYPOINT python3 /home/refresh_cdn.py