After I wrote my previous post, some suggested that I can cut down the image size further by using a “scratch” image. And utilizing a scratch binary image did cut down the size of the final Docker image from 13MB to 7.5MB. Dockerfile 1 2 COPY --from = builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ COPY --from = builder /usr/share/zoneinfo /usr/share/zoneinfo