Update Dockerfile

Dockerfile

@@ -9,7 +9,9 @@ USER 1000
 RUN git clone https://github.com/excalidraw/excalidraw
 RUN git clone https://github.com/excalidraw/excalidraw-room
 # Change to the newly created directory
-#WORKDIR /opt/node_app/my-excalidraw-app
+WORKDIR /opt/node_app/excalidraw-room
+RUN yarn && yarn build
+
 WORKDIR /opt/node_app/excalidraw
 
 # Set ENV on dev / prod
@@ -22,13 +24,8 @@ WORKDIR /opt/node_app/excalidraw
 #RUN yarn add react react-dom @excalidraw/excalidraw workbox-build workbox-window eslint
 
 # Run yarn to install deps
-#RUN yarn
-
 RUN yarn --ignore-optional --network-timeout 600000 
 
-#&& \
-#  chmod 777 -R /opt/node_app/
-
 # Set prod build
 
 ARG NODE_ENV=production