FROM --platform=${TARGETPLATFORM:-linux/amd64} ghcr.io/openfaas/of-watchdog:0.9.10 as watchdog FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as build RUN apk update && apk upgrade RUN apk add crystal shards RUN apk cache clean WORKDIR /home/app COPY . . COPY function/shard.yml shard.yml RUN shards install RUN crystal build main.cr -o handler --release --static RUN strip handler FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine as ship RUN apk update && apk upgrade && apk cache clean # Add non root user # Add non root user RUN addgroup -S app && adduser app -S -G app WORKDIR /home/app USER app COPY --from=build /home/app/function/ . COPY --from=build /home/app/handler . COPY --from=watchdog /fwatchdog /home/app/fwatchdog ENV fprocess="./handler" EXPOSE 8080 HEALTHCHECK --interval=2s CMD [ -e /tmp/.lock ] || exit 1 CMD ["./fwatchdog"]