Update Dockerfile for nightly build 1.6-nightly-7555f7f2bf1636443b6013c90e45698894af75e1
Update Dockerfile for nightly build 1.6-nightly-7555f7f2bf1636443b6013c90e45698894af75e1
strarsis/docker-golang-nightly,strarsis/docker-golang-nightly