FROM openfaas/classic-watchdog:0.14.4 as watchdog FROM artemklevtsov/r-alpine:latest COPY --from=watchdog /fwatchdog /usr/bin/fwatchdog RUN chmod +x /usr/bin/fwatchdog WORKDIR /application/ COPY handler.R . ENV fprocess="Rscript handler.R" RUN addgroup -g 1000 -S app && adduser -u 1000 -S app -G app USER 1000 HEALTHCHECK --interval=1s CMD [ -e /tmp/.lock ] || exit 1 CMD ["fwatchdog"]