add docker publish

.drone.yml

@@ -27,3 +27,18 @@ steps:
   when:
     event:
     - pull_request
+
+- name: docker-publish
+  image: plugins/docker
+  settings:
+    registry: registry.wtf-eg.net
+    repo: registry.wtf-eg.net/ki-backend
+    target: ki-backend
+    auto_tag: true
+    username:
+      from_secret: "docker_username"
+    password:
+      from_secret: "docker_password"
+  when:
+    branch:
+      - main