anchor.diff:  
   MAINTAINER Trurl McByte "trurl@mcbyte.net"
   
  -ENV NGINX_VERSION=1.10.2 \
  +ENV NGINX_VERSION=1.10.3 \
       SOURCE_DIR=/usr/src
   
   ENV GPG_KEYS B0F4253373F8F6F510D42178520A9993A1C052F8
  
positive.code:     && git clone https://github.com/arut/nginx-rtmp-module.git \
      && git clone https://github.com/vozlt/nginx-module-vts.git \
      && git clone https://github.com/wandenberg/nginx-push-stream-module.git \
      && git clone https://github.com/vdvm/nginx-watermark.git \
      && git clone https://github.com/arut/nginx-dav-ext-module.git \
      && cd /usr/src/nginx-$NGINX_VERSION \
      && patch -p0 < /usr/src/nginx-watermark/nginx-watermark.patch \
      && ./configure $NGINX_CONFIG \
  
negative.code:     --add-module=/usr/src/nginx-module-vts \
      --add-module=/usr/src/nginx-rtmp-module \
      --add-module=/usr/src/nginx-dav-ext-module \
      --add-module=/usr/src/ngx_upstream_resolveMK \
      --add-dynamic-module=/usr/src/nginx-push-stream-module \
      --with-libatomic \
      --with-md5=/usr \
      --with-sha1=/usr \
      --with-cc-opt='-O2' \
      "
  
  RUN addgroup -S nginx \
  