Add docker support for OpenCloudOS 9 (#526)

### What problem does this PR solve?

This PR aims to add support for running Ragflow on Docker with the
OpenCloudOS 9 distribution.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

Co-authored-by: edwardewang <edwardewang@tencent.com>

docker/docker-compose-CN-oc9.yml

@@ -0,0 +1,29 @@
+include:
+  - path: ./docker-compose-base.yml
+    env_file: ./.env
+
+services:
+   ragflow:
+    depends_on:
+      mysql:
+        condition: service_healthy
+      es01:
+        condition: service_healthy
+    image: edwardelric233/ragflow:oc9
+    container_name: ragflow-server
+    ports:
+      - ${SVR_HTTP_PORT}:9380
+      - 80:80
+      - 443:443
+    volumes:
+      - ./service_conf.yaml:/ragflow/conf/service_conf.yaml
+      - ./ragflow-logs:/ragflow/logs
+      - ./nginx/ragflow.conf:/etc/nginx/conf.d/ragflow.conf
+      - ./nginx/proxy.conf:/etc/nginx/proxy.conf
+      - ./nginx/nginx.conf:/etc/nginx/nginx.conf
+    environment:
+      - TZ=${TIMEZONE}
+      - HF_ENDPOINT=https://hf-mirror.com
+    networks:
+      - ragflow
+    restart: always