1# builder image 2FROM ubuntu:18.04 as builder 3RUN apt-get update && \ 4apt-get upgrade -y && \ 5apt-get install -y --no-install-recommends \ 6 gcc build-essential && \ 7apt-get purge --auto-remove && \ 8apt-get clean 9 10ADD cgroupid.c /cgroupid.c 11ADD Makefile /Makefile 12RUN make 13 14# Main image 15FROM amd64/alpine:3.8 as base 16COPY --from=builder /cgroupid /bin 17