anchor.diff:  env DEBIAN_FRONTEND noninteractive
   
   # Update distrib
  -run apt-get update && apt-get upgrade -y
  +run apt-get update && apt-get upgrade -y && apt-get clean
   
   # Install packages
  -run apt-get install -y man vim tmux zsh git curl wget sudo ca-certificates build-essential corkscrew dnsutils
  +run apt-get install -y man vim tmux zsh git curl wget sudo ca-certificates build-essential corkscrew dnsutils && \
  +    apt-get clean
   
   # Install the latest version of the docker CLI
  -run curl -L -o /usr/local/bin/docker https://get.docker.io/builds/Linux/x86_64/docker-latest && \
  -    chmod +x /usr/local/bin/docker
  +add https://get.docker.io/builds/Linux/x86_64/docker-latest /usr/local/bin/docker
  +run chmod +x /usr/local/bin/docker
   
   # Allow dev user to use docker
   run echo "dev    ALL=NOPASSWD: /usr/local/bin/docker" > /etc/sudoers.d/docker
   
   # Install the latest version of fleetctl
   env FLEET_URL https://github.com/coreos/fleet/releases/download/v0.8.3/fleet-v0.8.3-linux-amd64.tar.gz
  -run (cd /tmp && wget $FLEET_URL -O fleet.tgz && tar zxf fleet.tgz && mv fleet-*/fleetctl /usr/local/bin/)
  +run (cd /tmp && wget $FLEET_URL -O fleet.tgz && tar zxf fleet.tgz && mv fleet-*/fleetctl /usr/local/bin/ && rm -rf /tmp/fleet*)
   
   # Install the latest version of Go
   env GO_URL https://storage.googleapis.com/golang/go1.3.1.linux-amd64.tar.gz
  -run (cd /tmp && curl -L -o go.tgz $GO_URL && tar -v -C /usr/local -xzf go.tgz)
  +run (cd /tmp && curl -L -o go.tgz $GO_URL && tar -v -C /usr/local -xzf go.tgz && rm /tmp/go.tgz)
   env GOROOT /usr/local/go/
   env GOPATH /home/dev/go
   env PATH $PATH:$GOROOT/bin:$GOPATH/bin
  
positive.code: env HOME /home/dev
  env PATH $HOME/bin:$PATH
  
  # Create src data volume
  # We need to create an empty file, otherwise the volume will belong to root.
  run mkdir /var/shared/ && touch /var/shared/placeholder && chown -R dev:dev /var/shared
  
negative.code: 
  # Setup working directory
  workdir /home/dev
  
  # Run everything below as the dev user
  user dev
  