Update '.drone.yml'

.drone.yml

@@ -1,17 +1,18 @@
 ---
 kind: pipeline
-type: ssh
+type: docker
 name: default-ssh-pipeline
 
-server:
-  host: 192.168.1.40
-  user: vagrant
-  ssh_key:
-    from_secret: docker_privkey
-  port: 2200
-
 steps:
 - name: greeting
+  image: appleboy/drone-ssh
+  host:
+    from_secret: docker_host
+  user:
+    from_secret: docker_user
+  key:
+    from_secret: docker_privkey
+  port: 2200
   commands:
   - echo hello world
   - docker ps -a