anchor.diff:  MAINTAINER Maikel Vlasman <open-source@userex.nl>
   
   RUN apk --no-cache add \
  -		apache2-utils \
  -		bash \
  -		bind-tools \
  -		file \
  -		git \
  -		grep \
  -		jq \
  -		less \
  -		make \
  -		nodejs \
  -		openssh \
  -		openssl \
  -		perl \
  -		python3-dev \
  -		sudo \
  -		tree \
  -		tzdata \
  -		unzip \
  -		vim \
  -		zip \
  -		zsh \
  +        apache2-utils \
  +        bash \
  +        bind-tools \
  +        file \
  +        git \
  +        grep \
  +        jq \
  +        less \
  +        make \
  +        nodejs \
  +        openssh \
  +        openssl \
  +        perl \
  +        python3-dev \
  +        sudo \
  +        tree \
  +        tzdata \
  +        unzip \
  +        vim \
  +        zip \
  +        zsh \
    && ln -sf python3 /usr/bin/python
   
  -ENV PATH /usr/local/node/bin:$PATH
  -
  -ENV NGHTTP2_VERSION="1.10.0" \
  -	CURL_VERSION="7.49.0"
  +ENV PATH="/usr/local/node/bin:$PATH" \
  +    NGHTTP2_VERSION="1.10.0" \
  +    CURL_VERSION="7.49.0"
   
   RUN cd /tmp \
    && wget https://github.com/nghttp2/nghttp2/releases/download/v${NGHTTP2_VERSION}/nghttp2-${NGHTTP2_VERSION}.tar.bz2 \
    && wget https://dl.uxnr.de/mirror/curl/curl-${CURL_VERSION}.tar.bz2 \
    && apk add --no-cache --virtual build-packages \
  - 		autoconf \
  - 		automake \
  - 		build-base \
  - 		file \
  - 		libtool \
  - 		openssl-dev \
  +        autoconf \
  +        automake \
  +        build-base \
  +        file \
  +        libtool \
  +        openssl-dev \
    && tar -xvjf nghttp2-${NGHTTP2_VERSION}.tar.bz2 \
    && cd /tmp/nghttp2-${NGHTTP2_VERSION} \
    && autoreconf -i \
  
positive.code:  && tar -xvjf curl-${CURL_VERSION}.tar.bz2 \
   && cd /tmp/curl-${CURL_VERSION} \
   && ./configure \
    		--with-nghttp2=/usr/local \
  		--with-ssl \
   && make \
   && make install \
   && apk del build-packages \
  
negative.code: RUN latest="$(curl --url https://github.com/docker/machine/releases/latest | sed -rn 's/.*tag\/([^\"]*).*/\1/p')" \
   && echo "latest: $latest" \
   && curl \
          --location \
          --url https://github.com/docker/machine/releases/download/$latest/docker-machine-$(uname -s)-$(uname -m) \
          --output /usr/bin/docker-machine \
   && chmod +x /usr/bin/docker-machine \
   && [ $(stat -c %s /usr/bin/docker-machine) -gt 500 ] || exit 1
  
  ENV ETCD_VERSION="2.3.7"
  RUN cd /tmp \
   && curl \
          --location \
          --url https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/etcd-v${ETCD_VERSION}-linux-amd64.tar.gz \
          --output etcd.tar.gz \
   && tar xvzf etcd.tar.gz \
   && mv etcd-v${ETCD_VERSION}-linux-amd64/etcd /usr/bin/ \
   && mv etcd-v${ETCD_VERSION}-linux-amd64/etcdctl /usr/bin/ \
  