Update Dockerfile

Author: rikurauhala

Dockerfile

@@ -14,10 +14,15 @@ RUN npm run build
 
 FROM registry.access.redhat.com/ubi9/nodejs-18-minimal
 
-RUN npm install -g serve
+WORKDIR /opt/app-root/src
+
+COPY --from=build-stage /opt/app-root/src/.next/ /opt/app-root/src/.next/
+COPY --from=build-stage /opt/app-root/src/public/ /opt/app-root/src/public/
+COPY --from=build-stage /opt/app-root/src/package.json /opt/app-root/src/package.json
+COPY --from=build-stage /opt/app-root/src/package-lock.json /opt/app-root/src/package-lock.json
 
-COPY --from=build-stage /opt/app-root/src/.next/ /opt/app-root/src
+RUN npm ci --production
 
-EXPOSE 8080
+EXPOSE 3000
 
-CMD serve -l 8080 -s /opt/app-root/src
+CMD ["npm", "start"]