anchor.diff:  ENV LANG en_US.UTF-8
   
   # gosu
  -ENV GOSU_VERSION=1.10
  +ENV GOSU_VERSION=1.11
   RUN fetchDeps=' \
       ca-certificates \
       wget \
  
positive.code:   apt-get update && \
    apt-get install -y --no-install-recommends $fetchDeps && \
    # bash
    git clone --depth=1 https://github.com/iimuz/dotfiles.git ${HOME}/.dotfiles && \
    echo "\nif [ -f ~/.bashrc.local ]; then\n  . ~/.bashrc.local\nfi\n" >> ${HOME}/.bashrc && \
    mv ${HOME}/.dotfiles/.bashrc ${HOME}/.bashrc.local && \
    mv ${HOME}/.dotfiles/.inputrc ${HOME}/ && \
    # terraform
    curl https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip -O && \
    unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
    mv terraform /usr/bin/ && \
    rm terraform_${TERRAFORM_VERSION}_linux_amd64.zip && \
    # gcp aliases
    echo "alias gscp='gcloud compute scp'" >> ${HOME}/.bashrc.local && \
    echo "alias glist='gcloud compute instances list'" >> ${HOME}/.bashrc.local && \
    echo "alias gssh='gcloud compute ssh'" >> ${HOME}/.bashrc.local && \
    echo "alias gup='gcloud compute instances start'" >> ${HOME}/.bashrc.local && \
    echo "alias gdown='gcloud compute instances stop'" >> ${HOME}/.bashrc.local && \
    # cleanup
    apt-get purge -y $fetchDeps && \
    apt-get clean && \
  
negative.code: FROM google/cloud-sdk:229.0.0
  LABEL maintainer "iimuz"
  
  # set locale
  