Switch back to Ubuntu for CI again

.drone.yml

@@ -9,7 +9,7 @@ steps:
   command: ["build"]
 
 - name: deploy
-  image: alpine:latest
+  image: ubuntu:latest
 
   environment:
     HOST:
@@ -26,8 +26,8 @@ steps:
     - main
 
   commands:
-  - apk update
-  - apk add openssh rsync
+  - apt-get update
+  - apt-get install ssh rsync
   - eval $(ssh-agent -s)
   - mkdir -p ~/.ssh
   - echo "$SSH_KEY" > ~/.ssh/id_rsa