update README for Mac Docker, fix info logs #108

Job	Run time
build-docker-image-ubuntu-arm64	32m 26s
build-docker-image-ubi8-amd64	4m 38s
build-docker-image-ubuntu-amd64	5m 5s
build-docker-image-ubuntu-armv7	29m 53s
build-docker-image-amazonlinux-amd64	5m 18s
build-docker-image-amazonlinux-arm64	38s
build-docker-image-debian-amd64	5m 48s
build-docker-image-debian-arm64	39m 31s
build-docker-image-fedora-amd64	22s
build-docker-image-ubi8-arm64	32m 41s
	2h 36m 20s

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