更新dockerfile

Dockerfile

@@ -15,7 +15,7 @@ RUN pnpm install --frozen-lockfile
 # Copy frontend source
 COPY web/ ./
 
-# Build frontend
+# Build frontend (SSR with adapter-node)
 RUN pnpm build
 
 # Stage 2: Build backend
@@ -29,14 +29,12 @@ RUN dart pub get
 
 # Copy app source code and compile
 COPY bin/ ./bin/
-COPY --from=frontend-build /app/web/build ./web/build/
-
 RUN dart compile exe bin/server.dart -o bin/server
 
-# Stage 3: Runtime image with libvips
-FROM debian:bookworm-slim AS runtime
+# Stage 3: Runtime image with Node.js, libvips and Dart runtime
+FROM node:22-bookworm-slim AS runtime
 
-# Install libvips and ca-certificates
+# Install libvips, ca-certificates and other dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libvips42 \
     ca-certificates \
@@ -45,21 +43,32 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 WORKDIR /app
 
-# Copy the AOT runtime and compiled server from build stage
+# Copy Dart AOT runtime from build stage
 COPY --from=backend-build /runtime/ /
-COPY --from=backend-build /app/bin/server /app/bin/
-COPY --from=backend-build /app/web/build /app/web/build
+
+# Copy the compiled Dart server
+COPY --from=backend-build /app/bin/server /app/bin/server
+
+# Copy the built frontend (Node.js SSR app)
+COPY --from=frontend-build /app/web/build /app/web/build
 
 # Create data and cache directories
 RUN mkdir -p /app/data /app/cache
 
+# Copy startup script
+COPY docker/entrypoint.sh /app/entrypoint.sh
+RUN chmod +x /app/entrypoint.sh
+
 # Set environment variables (can be overridden at runtime)
 ENV PORT=8080 \
+    HOST=0.0.0.0 \
     DATA_DIR=/app/data \
-    CACHE_DIR=/app/cache
+    CACHE_DIR=/app/cache \
+    BACKEND_URL=http://127.0.0.1:8081 \
+    NODE_ENV=production
 
-# Expose port
+# Expose port (frontend serves on this port)
 EXPOSE 8080
 
-# Start server
-CMD ["/app/bin/server"]
+# Start both services using entrypoint script
+ENTRYPOINT ["/app/entrypoint.sh"]