Setup deployment for Khufu

Dockerfile

@@ -1,10 +1,10 @@
 FROM node:latest
 RUN apt-get update && apt-get upgrade -y
-RUN apt-get install libsass-dev build-essential -y
 WORKDIR /dunestorm/khufu
-COPY build /dunestorm/khufu/build/
-RUN npm i -g serve
+COPY package.json .
+RUN npm i --only=prod
+COPY server server
+COPY build build
 ENV KHUFU_DEV_TOKEN $KHUFU_DEV_TOKEN
-CMD ["serve", "-s", "build", "-l", "52026"]
-# EXPOSE PORTS
+CMD ["npm", "start"]
 EXPOSE 52026