fix dockerfile for app in multi stange container

app/Dockerfile

@@ -1,23 +1,25 @@
-FROM nginx:1.23-alpine-slim
+FROM --platform=linux/amd64 node:18-slim AS builder
 
-RUN apk add --update nodejs npm
+WORKDIR /usr/src/app
 
-WORKDIR /usr/share/build
+RUN mkdir -p ./src \
+    && mkdir -p ./scripts \
+    && mkdir -p ./staged-themes
 
-RUN mkdir -p /usr/share/build/src \
-    && mkdir -p /usr/share/build/scripts
+COPY src/ ./src/
+COPY staged-themes/ ./staged-themes
+COPY scripts/ ./scripts/
+COPY *.json ./
 
-COPY src/ /usr/share/build/src/
-
-COPY scripts/ /usr/share/build/scripts/
-
-COPY *.json /usr/share/build/
+RUN rm package-lock.json
 
+RUN npm install -g @oracle/[email protected]
 RUN npm install
-RUN npm install -g @oracle/ojet-cli
-RUN ojet build web --release 
+RUN ojet build web --release
+
+FROM --platform=linux/amd64 nginx:1.23-alpine-slim
 
-RUN cp -R /usr/share/build/web/* /usr/share/nginx/html/
+COPY --from=builder /usr/src/app/web/* /usr/share/nginx/html/
 
 EXPOSE 80
 

deploy/k8s/app/app.yaml

@@ -21,6 +21,7 @@ spec:
     spec:
       containers:
       - image: app
+        imagePullPolicy: "Always"
         name: app
         readinessProbe:
           httpGet: