cant clone to nonempty dir, so move file for checking new commits to parent folder

docker/Dockerfile

@@ -6,7 +6,7 @@ RUN apt install git -y
 RUN apt install -y\
     python3 python3-dev gcc \
     gfortran musl-dev
-ADD https://git.cs.uni-paderborn.de/api/v4/projects/10127/repository/commits latest_commit
+ADD https://git.cs.uni-paderborn.de/api/v4/projects/10127/repository/commits ../latest_commit
 RUN git clone https://git.cs.uni-paderborn.de/sial/prioss-assignment.git .
 RUN pip install -r requirements.txt
 EXPOSE 8050