Clean up docker.release file

Add guiding comments

docker/web/Dockerfile.release

@@ -69,17 +69,17 @@ ARG NODE_VERSION
 ARG WEB_SRC
 ARG NPM_INSTALL_ARGS
 
+# npm install fails with EACCES: permission denied when running as root user for a scss package used in Vue 2.
+# The workaround is to run the build as a non-root user and set the permissions on the files copied to the image.
+# This should be revisited when the application is upgraded to Vue 3. See bcgov/jasper repo for guidance on Vue 3 ready image.
+# USER root
 WORKDIR /opt/app-root/src
 
 # Copy package.json and package-lock.json
 COPY --chmod=674 ${WEB_SRC}/package*.json .
 
-# NPM INSTALL fails as root, this is due to a legacy SCSS package, this is not required in VUE3 (REMOVE WHEN UPGRADING)
-# USER 104 
 # Install packages
 RUN npm install ${NPM_INSTALL_ARGS}
-# NPM INSTALL fails as root, this is due to a legacy SCSS package, this is not required in VUE3 (REMOVE WHEN UPGRADING)
-# USER root
 
 # Copy the source code
 COPY --chmod=674 ${WEB_SRC} .