FROM ghcr.io/openfaas/classic-watchdog:0.2.0 as watchdog FROM alexellis2/phantomjs-docker:latest COPY --from=watchdog /fwatchdog /usr/bin/fwatchdog RUN chmod +x /usr/bin/fwatchdog ENV fprocess="phantomjs /dev/stdin" RUN adduser --uid 1000 --group app USER 1000 HEALTHCHECK --interval=5s CMD [ -e /tmp/.lock ] || exit 1 CMD ["fwatchdog"]