ARG TAG=latest FROM docker.io/library/nextcloud:${TAG} RUN apt-get update \ && apt-get install -y supervisor \ && rm -rf /var/lib/apt/lists/* \ && mkdir -p /var/log/supervisord /var/run/supervisord ADD supervisord.conf / ENV NEXTCLOUD_UPDATE=1 CMD ["/usr/bin/supervisord", "-c", "/supervisord.conf"]