fix: 使用 Docker-in-Docker 模式

.drone.yml

@@ -14,9 +14,7 @@ trigger:
 steps:
   - name: build-and-push
     image: docker:dind
-    volumes:
-      - name: dockersock
-        path: /var/run/docker.sock
+    privileged: true
     environment:
       REGISTRY: harbor.seahi.me
       IMAGE_NAME: stu/versions-for-swarm
@@ -45,8 +43,3 @@ steps:
       - docker push $REGISTRY/$IMAGE_NAME:$VERSION
       - docker system prune -f
       - echo [SUCCESS] 版本 $VERSION 构建并推送成功
-
-volumes:
-  - name: dockersock
-    host:
-      path: /var/run/docker.sock