update ci/cd conf

.drone.yml

@@ -4,17 +4,7 @@ type: docker
 name: default
 
 steps:
-  - name: dependencies
-    image: deblan/devenv
-    commands:
-      - pip3 install mkdocs
-
-  - name: build
-    image: deblan/devenv
-    commands:
-      - mkdocs build
-
-  - name: deploy
+  - name: build_deploy
     image: deblan/devenv
     environment:
       SSH_PUB_KEY:
@@ -24,6 +14,8 @@ steps:
       SSH_USER_HOST:
         from_secret: ssh_user_host
     commands:
+      - pip3 install mkdocs
+      - mkdocs build
       - mkdir "$HOME/.ssh"
       - echo "$SSH_PRIV_KEY" > "$HOME/.ssh/id_ed25519"
       - echo "$SSH_PUB_KEY" > "$HOME/.ssh/id_ed25519.pub"