added istio ingress proxy

build.sh

@@ -1,7 +1,11 @@
 #!/bin/sh
-file=nginx-ingress-proxy.yaml
-rm -f $file 2>/dev/null
-for f in $(ls config/*.yaml); do
-  echo "# $f" >> $file
-  cat $f >> $file
-done
+build() {
+  local file="$1-ingress-proxy.yaml"
+  rm -f $file 2>/dev/null
+  for f in $(ls config/$1/*.yaml); do
+    echo "# $f" >> $file
+    cat $f >> $file
+  done
+}
+build nginx
+build istio