FROM openfaas/classic-watchdog:0.14.4 as watchdog FROM alpine:3.9 COPY --from=watchdog /fwatchdog /usr/bin/fwatchdog RUN chmod +x /usr/bin/fwatchdog RUN apk --update add nodejs nodejs-npm COPY package.json . COPY main.js . RUN npm i ENV fprocess="node main.js" CMD ["fwatchdog"]