Return back to alpine node base image

This commit resolves the EACCES issues we were previously encountering in
and allows us to return to using alpine as our base container image. This
will allow us to have more direct control over the version of node running.

Signed-off-by: Jeremy Ho <[email protected]>

Dockerfile

@@ -1,51 +1,43 @@
-# 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/ubi9/nodejs-18-minimal/62e8e919d4f57d92a9dee838
-
-#
-# Build the application
-#
-FROM registry.access.redhat.com/ubi9/nodejs-18:1-70.1695740477 as application
-
-ENV NO_UPDATE_NOTIFIER=true
-
-USER 0
-COPY app /tmp/src/app
-WORKDIR /tmp/src/app
-RUN chown -R 1001:0 /tmp/src/app
-
-USER 1001
-RUN npm ci --omit=dev
+ARG APP_ROOT=/opt/app-root/src
+ARG BASE_IMAGE=docker.io/node:18.18.2-alpine
 
 #
 # Build the frontend
 #
-FROM registry.access.redhat.com/ubi9/nodejs-18-minimal:1-74.1695740475 as frontend
+FROM ${BASE_IMAGE} as frontend
 
+ARG APP_ROOT
 ENV NO_UPDATE_NOTIFIER=true
 
-USER 0
-COPY frontend /tmp/src/frontend
-WORKDIR /tmp/src/frontend
-RUN chown -R 1001:0 /tmp/src/frontend
-
+COPY 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:1-67
+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/frontend/dist ${HOME}/dist
-COPY .git ${HOME}/.git
-WORKDIR ${HOME}
+COPY --from=frontend /tmp/src/frontend/dist ${APP_ROOT}/dist
+COPY .git ${APP_ROOT}/.git
+COPY app ${APP_ROOT}
+WORKDIR ${APP_ROOT}
+
+# NPM Permission Fix
+RUN mkdir -p /.npm
+RUN chown -R 1001:0 /.npm
+
+# Install Application
+RUN chown -R 1001:0 ${APP_ROOT}
+USER 1001
+WORKDIR ${APP_ROOT}/app
+RUN npm ci --omit=dev
 
 EXPOSE ${APP_PORT}
 CMD ["npm", "run", "start"]