add deploy piplines to .drone.yml

.drone.yml

@@ -48,3 +48,40 @@ trigger:
     - master
   event:
     - push
+
+---
+
+kind: pipeline
+type: docker
+name: deploy
+
+# drone-ssh doc 
+# http://plugins.drone.io/appleboy/drone-ssh/
+steps:
+  - name: deploy-staging
+    # image: appleboy/drone-ssh
+    image: alpine
+    pull: if-not-exists
+    settings:
+    script:
+      - echo "deply to staging"
+      - env
+    when:
+      event:
+        - promote
+      target:
+        -production
+
+  - name: deploy-production
+    # image: appleboy/drone-ssh
+    image: alpine
+    pull: if-not-exists
+    settings:
+    script:
+      - echo "deply to production"
+      - env
+    when:
+      event:
+        - promote
+      target:
+        - production