Update drone CI upload backend program

.drone.yml

@@ -2,15 +2,26 @@ kind: pipeline
 type: docker
 name: default
 
+clone:
+  depth: 1
+
 steps:
-- name: frontend-web
+  - name: frontend-web
     image: node:19
     commands:
       - cd web
       - npm install
       - npm run build
 
-- name: upload
+  - name: backend
+    image: golang:1.19
+    commands:
+      - go build -v .
+    environment:
+      CGO_ENABLED: 0
+      GOPROXY: goproxy.cn
+
+  - name: upload
     image: plugins/s3-sync
     settings:
       bucket: msw-artifacts-public
@@ -19,5 +30,5 @@ steps:
         from_secret: access_key
       secret_key:
         from_secret: secret_key
-    source: web/build
-    target: /msw-open-music/${DRONE_COMMIT}
+      source: msw-open-music
+      target: /msw-open-music/${DRONE_COMMIT}/