Build nginx-vts module for nginx stats

Dockerfile

@@ -13,12 +13,19 @@ WORKDIR $QUAYDIR
 
 # This is so we don't break http golang/go#17066
 # When Ubuntu has nginx >= 1.11.0 we can switch back.
-RUN  add-apt-repository ppa:nginx/development
+ENV NGINX_GPGKEY 573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62
+RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 \
+    --keyserver-options timeout=10 --recv-keys "${NGINX_GPGKEY}"
+
+RUN add-apt-repository --enable-source \
+    "deb http://nginx.org/packages/ubuntu/ xenial nginx"
 
 # Add Yarn repository until it is officially added to Ubuntu
 RUN curl -fsSL https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
-    && echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
+    && add-apt-repository "deb https://dl.yarnpkg.com/debian/ stable main"
+
 RUN curl -fsSL https://deb.nodesource.com/setup_8.x | bash -
+
 # Install system packages
 RUN apt-get update && apt-get upgrade -y \
     && apt-get install -y \
@@ -55,7 +62,11 @@ RUN apt-get update && apt-get upgrade -y \
      python-pip        \
      python-virtualenv \
      yarn=0.22.0-1     \
-     w3m # 27MAR2018
+     w3m # 13JUL2018
+
+# Install nginx-module-vts
+COPY scripts/build-nginx-vts.sh /tmp/build-nginx-vts.sh
+RUN /tmp/build-nginx-vts.sh v0.1.18
 
 # Install cfssl
 RUN curl -fsSL -o /bin/cfssljson https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64 \