also build docker image

.drone.yml

@@ -41,6 +41,18 @@ steps:
      package: bird-lg-go
      owner: burble.dn42
 
+ - name: docker
+   image: plugins/docker
+   settings:
+     registry: git.burble.dn42
+     repo: git.burble.dn42/burble.dn42/bird-lg-go
+     dockerfile: frontend/Dockerfile
+     context: frontend/
+     tags: frontend
+     username: burble
+     password:
+       from_secret: TOKEN
+
 ---
 kind: secret
 name: TOKEN
@@ -48,8 +60,3 @@ get:
   path: burble.dn42/kv/data/drone/git.burble.dn42
   name: artifact-token
 
----
-kind: signature
-hmac: c784d52aa3d2c36eb2d18d1262c45296aa17332e181a303deb9c36bf52066e58
-
-...