revert bb7370db11

revert Update Dockerfile.frontend

Dockerfile.frontend

@@ -7,6 +7,17 @@
 # Also used for the lite (unmanaged) deployment.
 # ==========================================
 
+# Build stage
+FROM alpine:3.19 AS builder
+
+WORKDIR /app
+RUN apk add --no-cache bash coreutils
+
+COPY build.sh ./
+COPY src ./src
+
+RUN chmod +x build.sh && ./build.sh
+
 # Production stage
 FROM nginx:alpine
 
@@ -14,7 +25,7 @@ FROM nginx:alpine
 COPY nginx.frontend.conf /etc/nginx/conf.d/default.conf
 
 # Built SPA files
-COPY src /app/standalone /usr/share/nginx/html
+COPY --from=builder /app/standalone /usr/share/nginx/html
 
 EXPOSE 80