update node, node modules, cleanup extra gulp modules

Author: paskal

Dockerfile

@@ -22,7 +22,7 @@ RUN \
     echo "version=$version" && \
     go build -o ukeeper-readability -ldflags "-X main.revision=${version} -s -w" .
 
-FROM --platform=$BUILDPLATFORM node:8 as build-frontend
+FROM --platform=$BUILDPLATFORM node:18 as build-frontend
 
 ADD frontend /build
 WORKDIR /build

frontend/.gitignore

@@ -1,2 +1,3 @@
 dev/_blocks/
 node_modules/
+public/