message: fix(CI): working docker image for node 7
diff: # The image that serves as the base for our custom image
  -FROM node:8.1.2
  +FROM markadams/chromium-xvfb
  # Set the working directory
  WORKDIR /usr
  @@ -7,11 +7,29 @@ WORKDIR /usr
  # Add a few items to path for yarn/aws
  ENV PATH=$PATH:/usr/local/bin:~/.yarn/bin:~/.local/bin
  -RUN npm --v
  +# AWS CLI needs the PYTHONIOENCODING environment varialbe to handle UTF-8 correctly:
  +ENV PYTHONIOENCODING=UTF-8
  -# Install yarn and rebuild node-sass
  -RUN npm i yarn -g && npm rebuild node-sass
  +RUN curl -sL https://deb.nodesource.com/setup_7.x | bash - && \
  + apt-get update && DEBIAN_FRONTEND="noninteractive" && \
  + apt-get install -y --no-install-recommends \
  + git \
  + nodejs \
  + libgconf-2-4 \
  + openjdk-7-jre-headless \
  + openssh-server \
  + python-pip \
  + python-dev \
  + build-essential \
  + build-essential \
  + && rm -rf /var/lib/apt/lists/*
  +
  +RUN pip install --upgrade pip && \
  + pip install awscli --upgrade --user
  +
  +RUN npm i -g yarn && npm rebuild node-sass
  # Install global tools
  # NOTE: This must be run from bash (not sh) to get access to the correct PATH
  -RUN ["/bin/bash", "-c", "yarn global add sass-lint"]
  +RUN ["/bin/bash", "-c", "yarn global add sass-lint && yarn global add @angular/cli@^1.0.0"]
  +
  