chore: fix for frontend build

The fix in the last commit did not work.

iris-client-fe/Dockerfile

@@ -1,25 +1,28 @@
-FROM caddy:2.5.1-builder-alpine as builder
+FROM node:17-alpine as builder
 
 # make the 'app' folder the current working directory
 WORKDIR /app
 
 # copy both 'package.json' and 'package-lock.json' (if available)
 COPY package*.json ./
 
+# install project dependencies
+RUN npm ci --legacy-peer-deps
+
 # copy project files and folders to the current working directory (i.e. 'app' folder)
 COPY . .
 
 ARG VUE_APP_VERSION_ID=production
 ARG VUE_APP_BUILD_ID=local
 
 # build app for production with minification
-RUN xcaddy build
+RUN npm run build --legacy-peer-deps
 
 FROM caddy:2.5.1-alpine
 
 # copy build artifacts to webserver root
 RUN rm -rf /usr/share/caddy
-COPY --from=builder /app/caddy /usr/share/caddy
+COPY --from=builder /app/dist /usr/share/caddy
 
 # copy webserver configuration
 COPY ./Caddyfile /etc/caddy/Caddyfile