Optimize Docker build with multi-stage frontend compilation

• Add frontend build stage to Dockerfile
• Remove --production flag from bun install
• Fix frontend asset integration

(cherry picked from commit e5cbc593f4)

.github/workflows/pypi-publish.yml

@@ -17,6 +17,29 @@ jobs:
         with:
           fetch-depth: 0  # Fetch all history for tags
 
+      # Build frontend WebUI
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+
+      - name: Build Frontend WebUI
+        run: |
+          cd lightrag_webui
+          bun install --frozen-lockfile
+          bun run build
+          cd ..
+
+      - name: Verify Frontend Build
+        run: |
+          if [ ! -f "lightrag/api/webui/index.html" ]; then
+            echo "❌ Error: Frontend build failed - index.html not found"
+            exit 1
+          fi
+          echo "✅ Frontend build verified"
+          echo "Frontend files:"
+          ls -lh lightrag/api/webui/ | head -10
+
       - uses: actions/setup-python@v5
         with:
           python-version: "3.x"

Dockerfile

@@ -1,4 +1,17 @@
-# Build stage
+# Frontend build stage
+FROM oven/bun:1 AS frontend-builder
+
+WORKDIR /app
+
+# Copy frontend source code
+COPY lightrag_webui/ ./lightrag_webui/
+
+# Build frontend
+RUN cd lightrag_webui && \
+    bun install --frozen-lockfile && \
+    bun run build
+
+# Python build stage
 FROM python:3.12-slim AS builder
 
 WORKDIR /app
@@ -20,6 +33,9 @@ COPY pyproject.toml .
 COPY setup.py .
 COPY lightrag/ ./lightrag/
 
+# Copy frontend build output from frontend-builder stage
+COPY --from=frontend-builder /app/lightrag/api/webui ./lightrag/api/webui
+
 # Install dependencies
 ENV PATH="/root/.cargo/bin:${PATH}"
 RUN pip install --user --no-cache-dir --use-pep517 .
@@ -47,7 +63,7 @@ RUN pip install --upgrade pip setuptools wheel
 
 # Copy only necessary files from builder
 COPY --from=builder /root/.local /root/.local
-COPY ./lightrag ./lightrag
+COPY --from=builder /app/lightrag ./lightrag
 COPY setup.py .
 COPY docker-entrypoint.sh /app/docker-entrypoint.sh