Dockerfile

FROM google/cloud-sdk

ARG KUBECTL_CLI_URL

RUN mkdir -p /src \
             /scripts
WORKDIR /src
COPY platform_login /scripts

# Install Docker client
RUN apt-get update -y \
    && apt-get install \
        -y \
        apt-transport-https \
        ca-certificates \
        curl \
        gnupg2 \
        software-properties-common \
        wget \
    && curl \
        -fsSL \
        https://download.docker.com/linux/$(. /etc/os-release; echo "$ID")/gpg \
            | apt-key add - \
    && add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/$(. /etc/os-release; echo "$ID") $(lsb_release -cs) stable"\
    && apt-get update \
    && apt-get install -y docker-ce \
    && rm -rf /var/lib/apt/lists/*

# Install kubectl CLI
RUN wget -O \
        /usr/local/bin/kubectl \
        ${KUBECTL_CLI_URL:-https://storage.googleapis.com/kubernetes-release/release/v1.7.6/bin/linux/amd64/kubectl} \
    && chmod +x /usr/local/bin/kubectl