Rework dockerfile with new base image

Dockerfile

@@ -1,49 +1,62 @@
-# FROM docker.io/node:16.15.0-alpine # Last known working alpine image
-
-# RedHat Image Catalog references
-# https://catalog.redhat.com/software/containers/ubi9/nodejs-18/62e8e7ed22d1d3c2dfe2ca01
-# https://catalog.redhat.com/software/containers/ubi8/nodejs-16/615aee9fc739c0a4123a87e1
-# https://catalog.redhat.com/software/containers/ubi9/nodejs-18-minimal/62e8e919d4f57d92a9dee838
+ARG APP_ROOT=/opt/app-root/src
+ARG BASE_IMAGE=docker.io/node:20.11.1-alpine
 
 #
-# Build the application
+# Build the app
 #
-FROM registry.access.redhat.com/ubi9/nodejs-18:1-48 as application
+FROM ${BASE_IMAGE} as app
 
+ARG APP_ROOT
 ENV NO_UPDATE_NOTIFIER=true
 
-USER 0
-COPY --chown=1001:0 app /tmp/src/app
-WORKDIR /tmp/src/app
+# NPM Permission Fix
+RUN mkdir -p /.npm
+RUN chown -R 1001:0 /.npm
+
+# Build App
+COPY app ${APP_ROOT}
+RUN chown -R 1001:0 ${APP_ROOT}
 USER 1001
+WORKDIR ${APP_ROOT}
 RUN npm ci --omit=dev
 
 #
 # Build the frontend
 #
-FROM registry.access.redhat.com/ubi8/nodejs-16:1-105.1684740145 as frontend
+FROM ${BASE_IMAGE} as frontend
 
+ARG APP_ROOT
 ENV NO_UPDATE_NOTIFIER=true
-USER 0
-COPY --chown=1001:0 app/frontend /tmp/src/app/frontend
 
-WORKDIR /tmp/src/app/frontend
-USER 1001
+# NPM Permission Fix
+RUN mkdir -p /.npm
+RUN chown -R 1001:0 /.npm
 
+# Build Frontend
+COPY app/frontend ${APP_ROOT}
+RUN chown -R 1001:0 ${APP_ROOT}
+USER 1001
+WORKDIR ${APP_ROOT}
 RUN npm ci && npm run build
 
 #
 # Create the final container image
 #
-FROM registry.access.redhat.com/ubi9/nodejs-18-minimal:1-51
+FROM ${BASE_IMAGE}
 
+ARG APP_ROOT
 ENV APP_PORT=8080 \
     NO_UPDATE_NOTIFIER=true
 
-COPY --from=application /tmp/src/app ${HOME}
-COPY --from=frontend /tmp/src/app/frontend/dist ${HOME}/frontend/dist
-COPY .git ${HOME}/.git
-WORKDIR ${HOME}
+# NPM Permission Fix
+RUN mkdir -p /.npm
+RUN chown -R 1001:0 /.npm
+
+# Install File Structure
+COPY --from=app ${APP_ROOT} ${APP_ROOT}
+COPY --from=frontend ${APP_ROOT}/dist ${APP_ROOT}/frontend/dist
+COPY .git ${APP_ROOT}/.git
+WORKDIR ${APP_ROOT}
 
 EXPOSE ${APP_PORT}
-CMD ["npm", "run", "start"]
+CMD ["node", "./bin/www"]