Update Dockerfile for nightly build 1.6.2-nightly-81b2ea4d34a42bee14e1ed17d5166546be957849
Update Dockerfile for nightly build 1.6.2-nightly-81b2ea4d34a42bee14e1ed17d5166546be957849
strarsis/docker-golang-nightly,strarsis/docker-golang-nightly