Update drone CI upload backend program

.drone.yml

@@ -2,6 +2,9 @@ kind: pipeline
 type: docker
 name: default
 
+clone:
+  depth: 1
+
 steps:
   - name: frontend-web
     image: node:19
@@ -10,6 +13,14 @@ steps:
       - npm install
       - npm run build
 
+  - name: backend
+    image: golang:1.19
+    commands:
+      - go build -v .
+    environment:
+      CGO_ENABLED: 0
+      GOPROXY: goproxy.cn
+
   - name: upload
     image: plugins/s3-sync
     settings:
@@ -19,5 +30,5 @@ steps:
         from_secret: access_key
       secret_key:
         from_secret: secret_key
-    source: web/build
+      source: msw-open-music
-    target: /msw-open-music/${DRONE_COMMIT}
+      target: /msw-open-music/${DRONE_COMMIT}/