| # Copyright 2020 Google LLC | 
 | # | 
 | # Licensed under the Apache License, Version 2.0 (the "License"); | 
 | # you may not use this file except in compliance with the License. | 
 | # You may obtain a copy of the License at | 
 | # | 
 | #      https://www.apache.org/licenses/LICENSE-2.0 | 
 | # | 
 | # Unless required by applicable law or agreed to in writing, software | 
 | # distributed under the License is distributed on an "AS IS" BASIS, | 
 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | # See the License for the specific language governing permissions and | 
 | # limitations under the License. | 
 |  | 
 | # An image for building IREE using bazel. | 
 |  | 
 | ARG BAZEL_VERSION=3.3.1 | 
 | # Change to a new version if upgrading Bazel. | 
 | ARG NEW_BAZEL_VERSION=3.3.1 | 
 |  | 
 | FROM gcr.io/iree-oss/util AS install-bazel | 
 | WORKDIR /install-bazel | 
 | ARG BAZEL_VERSION | 
 | ARG NEW_BAZEL_VERSION | 
 |  | 
 | # Disable apt-key parse waring. If someone knows how to do whatever the "proper" | 
 | # thing is then feel free. The warning complains about parsing apt-key output, | 
 | # which we're not even doing. | 
 | ARG APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE=1 | 
 |  | 
 | # Install Bazel. | 
 | # https://docs.bazel.build/versions/master/install-ubuntu.html | 
 | RUN wget -qO - https://bazel.build/bazel-release.pub.gpg | apt-key add - \ | 
 |   && echo "deb [arch=amd64] https://storage.googleapis.com/bazel-apt stable jdk1.8" \ | 
 |     | tee /etc/apt/sources.list.d/bazel.list \ | 
 |   && apt-get update \ | 
 |   # Install Bazel pinned at the version we want. Optionally install an | 
 |   # additional version of Bazel to ease upgrades (modify NEW_BAZEL_VERSION | 
 |   # above). Bazel does some shenanigans to select the correct version based on | 
 |   # your .bazelversion file. When upgrading, we therefore need to have both the | 
 |   # old and new version. When the versions are the same this second installation | 
 |   # is effectively a noop. | 
 |   && apt-get install -y "bazel=${BAZEL_VERSION?}" "bazel-${NEW_BAZEL_VERSION?}" | 
 |  | 
 | FROM gcr.io/iree-oss/base AS final | 
 | ARG BAZEL_VERSION | 
 | ARG NEW_BAZEL_VERSION | 
 | COPY --from=install-bazel \ | 
 |   /usr/bin/bazel \ | 
 |   "/usr/bin/bazel-${BAZEL_VERSION}" \ | 
 |   "/usr/bin/bazel-${NEW_BAZEL_VERSION}" \ | 
 |   /usr/bin/bazel-real \ | 
 |   /usr/bin/ | 
 |  | 
 | # TF requires python and numpy at configure time... | 
 | # TODO(#1737): Remove this | 
 | RUN apt-get update \ | 
 |     && apt-get install -y \ | 
 |       python3 \ | 
 |       python3-pip \ | 
 |     && python3 -m pip install --upgrade pip \ | 
 |     && python3 -m pip install numpy |