anchor.diff:   && make \
    && make install \
    && apk del build-packages \
  + && curl \
  +        --location \
  +        --url https://github.com/gliderlabs/sigil/releases/download/v0.4.0/sigil_0.4.0_Linux_x86_64.tgz | tar -zxC /usr/local/bin \
    && rm -rf /tmp/*
   
   RUN git_version=$(git --version | sed -rn "s/.*(\d+\.\d+\.\d+).*/\1/p") \
  
positive.code:         file \
          libtool \
          openssl-dev \
   && tar -xvjf nghttp2-${NGHTTP2_VERSION}.tar.bz2 \
   && cd /tmp/nghttp2-${NGHTTP2_VERSION} \
   && autoreconf -i \
  
negative.code: 
  MAINTAINER Maikel Vlasman <open-source@userex.nl>
  
  RUN apk add --no-cache \
          apache2-utils \
          bash \
          bind-tools \
  