ARG OPENSTACK_TAG=stable/ocata
COPY thirdparty-requirements.txt thirdparty-requirements.txt
-RUN apk --no-cache add --update nodejs nodejs-npm && \
+RUN apk --no-cache add --update nodejs nodejs-npm python3 && \
apk --no-cache add --virtual .build-deps --update \
python-dev build-base linux-headers libffi-dev \
openssl-dev libjpeg-turbo-dev git && \