Bazel Docker 64-byte repo name

BUILD

load("@bazel_tools//tools/build_defs/docker:docker.bzl", "docker_build")


docker_build(
    name = "hello",
    base = "@official_ubuntu//image:image.tar",
    cmd = ["echo", "hi"],
)

WORKSPACE

git_repository(
    name = "io_bazel_rules_docker",
    remote = "https://github.com/bazelbuild/rules_docker.git",
    commit = "4042de3b485d0dfdc5592d388d87329ebdb3a316",
)

git_repository(
    name = "bazel_tools",
    remote = "https://github.com/bazelbuild/bazel.git",
    commit = "8ff0d0d436b4fd9fd4199d313f708377c7a668af",
)

load(
  "@io_bazel_rules_docker//docker:docker.bzl",
  "docker_repositories", "docker_pull"
)

docker_repositories()

docker_pull(
    name = "official_ubuntu",
    registry = "index.docker.io",
    repository = "library/ubuntu",
    tag = "14.04",
)