feat: 添加 Docling Serve 服务，更新 docker-compose 配置以支持内容提取功能

docker-compose-online.yml

@@ -36,6 +36,23 @@ services:
             --port 4000
         restart: unless-stopped
 
+    docling-serve:
+        image: quay.io/docling-project/docling-serve:latest
+        container_name: docling-serve
+        pull_policy: always
+        ports:
+            - '127.0.0.1:18014:5001'
+        environment:
+            - DOCLING_SERVE_ENABLE_UI=true
+            - DOCLING_SERVE_MAX_SYNC_WAIT=600
+            - DOCLING_SERVE_ENG_LOC_NUM_WORKERS=2
+            - UVICORN_WORKERS=1
+            - OMP_NUM_THREADS=4
+            - MKL_NUM_THREADS=4
+        volumes:
+            - docling-data:/app/data
+        restart: unless-stopped
+
     jupyter:
         image: quay.io/jupyter/datascience-notebook:latest
         container_name: ai-chat-jupyter
@@ -98,6 +115,11 @@ services:
             - IMAGES_EDIT_OPENAI_API_BASE_URL=http://cli-proxy-api:8317/v1
             - IMAGES_EDIT_OPENAI_API_KEY=${CLIPROXY_API_KEY}
 
+            - CONTENT_EXTRACTION_ENGINE=docling
+            - DOCLING_SERVER_URL=http://docling-serve:5001
+            - >-
+                DOCLING_PARAMS={"do_ocr":true,"pdf_backend":"dlparse_v4","table_mode":"accurate"}
+
             # --- 以下是新增的网页搜索相关环境变量 ---
             - ENABLE_WEB_SEARCH=true
             - WEB_SEARCH_ENGINE=ddgs
@@ -109,10 +131,12 @@ services:
         depends_on:
             - litellm
             - cli-proxy-api
+            - docling-serve
             - jupyter
         restart: unless-stopped
 
 volumes:
     open-webui:
+    docling-data:
     jupyter-work:
     open-terminal: