build: try to build web separately.

Author: liqiang-fit2cloud

.github/workflows/build-and-push.yml

@@ -153,4 +153,6 @@ jobs:
       - name: Docker Buildx (build-and-push)
         run: |
           sudo sync && echo 3 | sudo tee /proc/sys/vm/drop_caches && free -m
+          docker buildx build --target web-build --output type=local,dest=./web-build . -f installer/Dockerfile
+          rm -rf ui/* && cp -r ./web-build/ui/* ui/
           docker buildx build --output "type=image,push=true" ${{ steps.prepare.outputs.buildx_args }} -f installer/Dockerfile

installer/Dockerfile

@@ -1,6 +1,6 @@
 FROM node:24-alpine AS web-build
 COPY ui ui
-RUN cd ui && \
+RUN cd ui && ls -la && if [ -d "dist" ]; then exit 0; fi && \
     npm install --prefer-offline --no-audit && \
     npm install -D concurrently && \
     NODE_OPTIONS="--max-old-space-size=4096" npx concurrently "npm run build" "npm run build-chat" && \