mostly seems to be working!

account/Dockerfile

@@ -2,11 +2,19 @@
 FROM node:13.12.0-alpine as build
 WORKDIR /app
 ENV PATH /app/node_modules/.bin:$PATH
+ARG REACT_APP_BACKEND_SERVER
+ARG REACT_APP_ADMIN_SERVER
+ARG REACT_APP_ACCOUNT_SERVER
+ARG REACT_APP_FRONTEND_SERVER
+ARG REACT_APP_SITE_NAME
+ARG REACT_APP_ADMIN_EMAIL
+ARG NODE_ENV
 COPY package.json ./
 RUN npm install
 RUN npm install react-scripts@3.4.1 -g --silent
 COPY . ./
 RUN npm run build
+RUN env
 
 # production environment
 FROM node:13.12.0-alpine
@@ -14,6 +22,7 @@ RUN mkdir -p /app/public
 COPY ./package.json /tmp
 RUN cd /tmp && npm install
 RUN cp -a /tmp/node_modules /app
+RUN env
 WORKDIR /app
 COPY server /app
 COPY --from=build /app/build /app/public