anchor.diff:  
   RUN  echo "" | SHELL=/usr/bin/zsh zsh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"; \
       sed -i 's/robbyrussell/agnoster/' ~/.zshrc; \
  -    echo 'export EDITOR=nvim' >> ~/.zshrc
  +    echo 'export EDITOR=nvim' >> ~/.zshrc; \
  +    echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.zshrc
   
  -RUN mkdir ~/.config; \
  -  git clone https://github.com/luan/nvim ~/.config/nvim
  -
  -RUN curl -L https://github.com/cloudfoundry/bosh-cli/releases/download/v6.4.10/bosh-cli-6.4.10-linux-amd64 -o /usr/local/bin/bosh; \
  +RUN curl -L https://github.com/cloudfoundry/bosh-cli/releases/download/v6.4.17/bosh-cli-6.4.17-linux-amd64 -o /usr/local/bin/bosh; \
     chmod +x /usr/local/bin/bosh
   
   RUN curl -o /etc/yum.repos.d/cloudfoundry-cli.repo -L https://packages.cloudfoundry.org/fedora/cloudfoundry-cli.repo; \
     dnf install -y cf7-cli
  -
   
   RUN dnf install -y dnf-plugins-core; \
     dnf config-manager --add-repo https://rpm.releases.hashicorp.com/fedora/hashicorp.repo; \
  
positive.code: ARG TARGETARCH
  # I need the latest go (1.17), and Fedora 35 is pinned to 1.16
  # I'll need to manually update this, which is a pain
  RUN curl -L https://go.dev/dl/go1.17.6.linux-$TARGETARCH.tar.gz | tar xzf - -C /usr/local
  
  ENV PATH="$PATH:/usr/local/go/bin"
  
  
negative.code: 
  FROM fedora
  
  LABEL org.opencontainers.image.authors="Brian Cunnie <brian.cunnie@gmail.com>"
  
  # need ruby to run dns-check.rb & bind-utils for dig & nslookup
  RUN dnf update -y; \
    dnf groupinstall -y "Development Tools"; \
    dnf install -y \
      bind-utils \
      binutils \
      bnet-tools \
      btrfs-progs \
      direnv \
      etcd \
      fd-find \
      git \
      htop \
      iproute \
      iputils \
      jq \
      mysql-devel \
      neovim \
      net-tools \
      nmap-ncat \
      npm \
      openssl-devel \
      python \
      redhat-rpm-config \
      ripgrep \
      ruby \
      ruby-devel \
      rubygems \
      socat \
      strace \
      tcpdump \
      tmux \
      wget \
      zlib-devel \
      zsh \
      zsh-lovers \
      zsh-syntax-highlighting \
    ; \
    gem install yajl-ruby; \
    ln -s /usr/bin/fdfind /usr/bin/fd
  
  RUN mkdir ~/workspace; \
    cd ~/workspace; \
  