FROM ubuntu:18.04 RUN set -x \ && apt-get update \ && apt-get install -y \ wget \ && rm -rf /var/lib/apt/lists/* RUN wget https://storage.googleapis.com/hey-release/hey_linux_amd64 \ && chmod 777 hey_linux_amd64 \ && cp hey_linux_amd64 /bin/hey \ && rm hey_linux_amd64