plugin pubsub cache: avoid race condition by retrying node request: When retrieving items, there may be a race condition if a node is not found in cache, then created before `setPubsubNode` is called. This patch handle this case by retrying in case of UNIQUE constraint violation.

ARG REVISION
FROM libervia/web:${REVISION:-dev}

LABEL maintainer="Goffi <tmp_dockerfiles@goffi.org>"

ARG DEBIAN_FRONTEND=noninteractive

USER root

COPY --chown=root:root libervia.conf /etc/libervia.conf

WORKDIR /home/libervia
USER libervia