Switch to ubuntu for CI deployment

.drone.yml

@@ -8,7 +8,7 @@ steps:
   command: ["build"]
 
 - name: deploy
-  image: alpine
+  image: ubuntu
 
   environment:
     HOST:
@@ -25,8 +25,8 @@ steps:
     - main
 
   commands:
-    - sudo apk update
-    - sudo apk add rsync
+    - apt-get update -qq > /dev/null
+    - apt-get install ssh rsync -qq > /dev/null
     - eval $(ssh-agent -s)
     - mkdir -p ~/.ssh
     - echo "$RSYNC_KEY" > ~/.ssh/id_rsa