set PYTHONUNBUFFERED=1 in image-cleaner
Python seems to produce no output in some container scenarios without this env
@@ -3,5 +3,6 @@ FROM python:3.6-alpine3.6
ADD image-cleaner.py /usr/local/bin/image-cleaner.py
RUN pip3 install --no-cache-dir docker==3.2.1
-
+# set PYTHONUNBUFFERED to ensure output is produced
+ENV PYTHONUNBUFFERED=1
CMD image-cleaner.py
