Feat: add admin server to docker (#10522)

### What problem does this PR solve?

Add admin server to docker.

### Type of change

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

docker/entrypoint.sh

@@ -11,6 +11,7 @@ function usage() {
     echo "  --disable-webserver             Disables the web server (nginx + ragflow_server)."
     echo "  --disable-taskexecutor          Disables task executor workers."
     echo "  --enable-mcpserver              Enables the MCP server."
+    echo "  --enable-adminserver            Enables the Admin server."
     echo "  --consumer-no-beg=<num>         Start range for consumers (if using range-based)."
     echo "  --consumer-no-end=<num>         End range for consumers (if using range-based)."
     echo "  --workers=<num>                 Number of task executors to run (if range is not used)."
@@ -21,12 +22,14 @@ function usage() {
     echo "  $0 --disable-webserver --consumer-no-beg=0 --consumer-no-end=5"
     echo "  $0 --disable-webserver --workers=2 --host-id=myhost123"
     echo "  $0 --enable-mcpserver"
+    echo "  $0 --enable-adminserver"
     exit 1
 }
 
 ENABLE_WEBSERVER=1 # Default to enable web server
 ENABLE_TASKEXECUTOR=1  # Default to enable task executor
 ENABLE_MCP_SERVER=0
+ENABLE_ADMIN_SERVER=0 # Default close admin server
 CONSUMER_NO_BEG=0
 CONSUMER_NO_END=0
 WORKERS=1
@@ -70,6 +73,10 @@ for arg in "$@"; do
       ENABLE_MCP_SERVER=1
       shift
       ;;
+    --enable-adminserver)
+      ENABLE_ADMIN_SERVER=1
+      shift
+      ;;
     --mcp-host=*)
       MCP_HOST="${arg#*=}"
       shift
@@ -185,6 +192,12 @@ if [[ "${ENABLE_WEBSERVER}" -eq 1 ]]; then
     done &
 fi
 
+if [[ "${ENABLE_ADMIN_SERVER}" -eq 1 ]]; then
+    echo "Starting admin_server..."
+    while true; do
+        "$PY" admin/admin_server.py
+    done &
+fi
 
 if [[ "${ENABLE_MCP_SERVER}" -eq 1 ]]; then
     start_mcp_server