fix Dockerfile - change the bazel version to 0.28.0 in order to be able to build (waymo-research#145)

Author: vatavua

tutorial/cpu-jupyter.Dockerfile

@@ -4,9 +4,10 @@ RUN apt-get update && apt-get install -y \
   git build-essential wget vim findutils curl \
   pkg-config zip g++ zlib1g-dev unzip python3 python3-pip
 
-RUN echo "deb [arch=amd64] https://storage.googleapis.com/bazel-apt stable jdk1.8" | tee /etc/apt/sources.list.d/bazel.list && \
-    curl https://bazel.build/bazel-release.pub.gpg | apt-key add - && \
-    apt-get update && apt-get install -y bazel
+RUN apt-get install -y wget
+RUN wget https://github.com/bazelbuild/bazel/releases/download/0.28.0/bazel-0.28.0-installer-linux-x86_64.sh 
+RUN chmod +x bazel-0.28.0-installer-linux-x86_64.sh
+RUN bash ./bazel-0.28.0-installer-linux-x86_64.sh 
 
 RUN pip3 install jupyter matplotlib jupyter_http_over_ws &&\
   jupyter serverextension enable --py jupyter_http_over_ws