docs(docker): use latest image tag in examples (#1125)

Replace outdated ghcr.io/volcengine/openviking:main references in compose
and deployment docs with :latest to match the current published image flow.

Author: qin-ctx

docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.8"
 
 services:
   openviking:
-    image: ghcr.io/volcengine/openviking:main
+    image: ghcr.io/volcengine/openviking:latest
     container_name: openviking
     ports:
       - "1933:1933"

docs/en/getting-started/02-quickstart.md

@@ -36,7 +36,7 @@ If you prefer to run OpenViking as a standalone service, Docker is recommended.
    ```yaml
    services:
      openviking:
-       image: ghcr.io/volcengine/openviking:main
+       image: ghcr.io/volcengine/openviking:latest
        container_name: openviking
        ports:
          - "1933:1933"
@@ -59,7 +59,7 @@ If you prefer to run OpenViking as a standalone service, Docker is recommended.
 > ```yaml
 > services:
 >   openviking:
->     image: ghcr.io/volcengine/openviking:main
+>     image: ghcr.io/volcengine/openviking:latest
 >     ports:
 >       - "1933:1934" # Map host 1933 to container 1934
 >     volumes:

docs/en/guides/03-deployment.md

@@ -202,7 +202,7 @@ docker run -d \
   -v ~/.openviking/ov.conf:/app/ov.conf \
   -v /var/lib/openviking/data:/app/data \
   --restart unless-stopped \
-  ghcr.io/volcengine/openviking:main
+  ghcr.io/volcengine/openviking:latest
 ```
 
 You can also use Docker Compose with the `docker-compose.yml` provided in the project root:

docs/zh/getting-started/02-quickstart.md

@@ -36,7 +36,7 @@ pip install openviking --upgrade --force-reinstall
    ```yaml
    services:
      openviking:
-       image: ghcr.io/volcengine/openviking:main
+       image: ghcr.io/volcengine/openviking:latest
        container_name: openviking
        ports:
          - "1933:1933"
@@ -59,7 +59,7 @@ pip install openviking --upgrade --force-reinstall
 > ```yaml
 > services:
 >   openviking:
->     image: ghcr.io/volcengine/openviking:main
+>     image: ghcr.io/volcengine/openviking:latest
 >     ports:
 >       - "1933:1934" # 将宿主机 1933 映射到容器 1934
 >     volumes:

docs/zh/guides/03-deployment.md

@@ -200,7 +200,7 @@ docker run -d \
   -v ~/.openviking/ov.conf:/app/ov.conf \
   -v /var/lib/openviking/data:/app/data \
   --restart unless-stopped \
-  ghcr.io/volcengine/openviking:main
+  ghcr.io/volcengine/openviking:latest
 ```
 
 也可以使用 Docker Compose，项目根目录提供了 `docker-compose.yml`：

examples/cloud/GUIDE.md

@@ -258,7 +258,7 @@ docker run -d \
   -v ~/.openviking/ov.conf:/app/ov.conf \
   -v /var/lib/openviking/data:/app/data \
   --restart unless-stopped \
-  ghcr.io/volcengine/openviking:main
+  ghcr.io/volcengine/openviking:latest
 ```
 
 > 将 `~/.openviking/ov.conf` 替换为你实际的配置文件路径。