[MINOR] docs(mcp): polish MCP server document (#8605)

### What changes were proposed in this pull request?

1. Polish how to start mcp server by docker
2. change `--uri` to `--gravitino-uri`

### Why are the changes needed?

make it more user friendly.

### Does this PR introduce _any_ user-facing change?

no

### How was this patch tested?
just document

Co-authored-by: FANNG <xiaojing@datastrato.com>

Author: github-actions[bot]

docs/gravitino-mcp-server.md

@@ -31,15 +31,15 @@ Gravitino MCP server provides the ability to manage Gravitino metadata for LLM.
         "mcp_server",
         "--metalake",
         "test",
-        "--uri",
+        "--gravitino-uri",
         "http://127.0.0.1:8090"
       ]
     }
   }
 }
 ```
 
-Or start an HTTP MCP server by `uv run mcp_server --metalake test --uri http://127.0.0.1:8090 --transport http --mcp-url http://localhost:8000/mcp`, and use the configuration:
+Or start an HTTP MCP server by `uv run mcp_server --metalake test --gravitino-uri http://127.0.0.1:8090 --transport http --mcp-url http://localhost:8000/mcp`, and use the configuration:
 
 ```json
 {
@@ -53,7 +53,7 @@ Or start an HTTP MCP server by `uv run mcp_server --metalake test --uri http://1
 
 ### Docker instructions
 
-You could start Gravitino MCP server by docker image, `docker run -p 8000:8000 apache/gravitino-mcp-server:latest --metalake test --transport http --mcp-url http://0.0.0.0:8000/mcp`. Please note that the MCP server in docker container doesn't support `stdio` transport mode.
+You could start Gravitino MCP server by Docker image, `docker run -p 8000:8000 --network=host apache/gravitino-mcp-server:latest --metalake test --transport http --mcp-url http://0.0.0.0:8000/mcp --gravitino-uri http://127.0.0.1:8090`. Please note that the MCP server in Docker container doesn't support `stdio` transport mode.
 
 ### Supported tools
 
@@ -101,9 +101,9 @@ Gravitino MCP server supports the following tools, and you could export tool by
 
 You could config Gravitino MCP server by arguments, `uv run mcp_server -h` shows the detailed information.
 
-| Argument      | Description                                                     | Default value               | Required | Since version |
-|---------------|-----------------------------------------------------------------|-----------------------------|----------|---------------|
-| `--metalake`  | The Gravitino metalake name.                                    | none                        | Yes      | 1.0.0         |
-| `--uri`       | The URI of Gravitino server.                                    | `http://127.0.0.1:8090`     | No       | 1.0.0         |
-| `--transport` | Transport protocol type: stdio (local), http (Streamable HTTP). | `stdio`                     | No       | 1.0.0         |
-| `--mcp-url`   | The url of MCP server if using http transport.                  | `http://127.0.0.1:8000/mcp` | No       | 1.0.0         |
+| Argument          | Description                                                     | Default value               | Required | Since version |
+|-------------------|-----------------------------------------------------------------|-----------------------------|----------|---------------|
+| `--metalake`      | The Gravitino metalake name.                                    | none                        | Yes      | 1.0.0         |
+| `--gravitino-uri` | The URI of Gravitino server.                                    | `http://127.0.0.1:8090`     | No       | 1.0.0         |
+| `--transport`     | Transport protocol type: stdio (local), http (Streamable HTTP). | `stdio`                     | No       | 1.0.0         |
+| `--mcp-url`       | The url of MCP server if using http transport.                  | `http://127.0.0.1:8000/mcp` | No       | 1.0.0         |

mcp-server/mcp_server/core/context.py

@@ -22,7 +22,7 @@
 class GravitinoContext:
     def __init__(self, setting: Setting):
         self.gravitino_client = RESTClientFactory.create_rest_client(
-            setting.metalake, setting.uri
+            setting.metalake, setting.gravitino_uri
         )
 
     def rest_client(self):

mcp-server/mcp_server/core/setting.py

@@ -21,15 +21,15 @@
 
 @dataclass
 class DefaultSetting:
-    default_uri: str = "http://127.0.0.1:8090"
+    default_gravitino_uri: str = "http://127.0.0.1:8090"
     default_transport: str = "stdio"
     default_mcp_url: str = "http://127.0.0.1:8000/mcp"
 
 
 @dataclass
 class Setting:
     metalake: str
-    uri: str = DefaultSetting.default_uri
+    gravitino_uri: str = DefaultSetting.default_gravitino_uri
     tags: Set[str] = field(default_factory=set)
     transport: str = DefaultSetting.default_transport
     mcp_url: str = DefaultSetting.default_mcp_url

mcp-server/mcp_server/main.py

@@ -26,7 +26,7 @@ def do_main():
     args = _parse_args()
     setting = Setting(
         metalake=args.metalake,
-        uri=args.uri,
+        gravitino_uri=args.gravitino_uri,
         tags=args.include_tool_tags,
         transport=args.transport,
         mcp_url=args.mcp_url,
@@ -55,7 +55,7 @@ def _comma_separated_set(value) -> set:
 def _parse_args():
     parser = argparse.ArgumentParser(
         description="Gravitino Mcp server",
-        epilog="Example: uv run mcp_server --metalake test --uri http://127.0.0.1:8090",
+        epilog="Example: uv run mcp_server --metalake test --gravitino-uri http://127.0.0.1:8090",
     )
 
     parser.add_argument(
@@ -65,10 +65,10 @@ def _parse_args():
         help="Gravitino metalake name.",
     )
     parser.add_argument(
-        "--uri",
+        "--gravitino-uri",
         type=str,
-        default=DefaultSetting.default_uri,
-        help=f"The uri of Gravitino server. (default: {DefaultSetting.default_uri})",
+        default=DefaultSetting.default_gravitino_uri,
+        help=f"The uri of Gravitino server. (default: {DefaultSetting.default_gravitino_uri})",
     )
 
     parser.add_argument(