update Dockerfile to clone the repo instead of a submodule

.dockerignore

-Dockerfile

Dockerfile

-### THIS FILE IS A REPLICA FROM ORCHESTRATOR-CORE-GUI WITH SOME MINOR ADJUSTMENTS
+### THIS FILE IS A REPLICA FROM ORCHESTRATOR-CORE-GUI WITH SOME ADJUSTMENTS
 
 ###############################
 ### BASE LAYER FOR IMAGES BELOW
 FROM node:14.21.1-slim AS base
 
 ENV CI=true
+ENV CORE_GUI_TAG=10.7.6
 
 WORKDIR /app
-COPY orchestrator-core-gui/package.json .
-COPY orchestrator-core-gui/yarn.lock .
+RUN apt update && apt install git -y
+RUN git clone --branch 10.7.6 https://github.com/workfloworchestrator/orchestrator-core-gui.git --depth 1
 
 ###########################################
 ### BUILDER LAYER TO PREPARE FOR PRODUCTION
 FROM base AS builder
 
-RUN apt update  && apt install git -y
+WORKDIR /app/orchestrator-core-gui
 RUN yarn --network-concurrency 1 --frozen-lockfile
-COPY orchestrator-core-gui/ .
 RUN rm -rf src/custom
 COPY custom src/custom
 COPY logo.svg src/images/logo.svg
@@ -26,10 +26,11 @@ RUN yarn build
 ### IMAGE FOR PRODUCTION
 FROM nginx:alpine
 
+WORKDIR /app
 RUN apk update && apk add wget curl
-COPY orchestrator-core-gui/default.conf /etc/nginx/conf.d/default.conf
-COPY --from=builder /app/build /usr/share/nginx/html
-COPY --from=builder /app/src/env.js.template .
+COPY --from=builder /app/orchestrator-core-gui/default.conf /etc/nginx/conf.d/default.conf
+COPY --from=builder /app/orchestrator-core-gui/build /usr/share/nginx/html
+COPY --from=builder /app/orchestrator-core-gui/src/env.js.template .
 
 EXPOSE 8080
 CMD [ "/bin/ash", "-c", "envsubst < env.js.template > /usr/share/nginx/html/env.js && exec nginx -g 'daemon off;'"]