use kaniko, fix 10

.woodpecker.yml

@@ -19,11 +19,15 @@
 steps:
   build:
     image: plugins/kaniko
+    secrets:
+      - source: system_container_registry
+        target: CONTAINER_REGISTRY
     settings:
-      repo: gitea.hottis.de/${CI_REPO}
+      repo: ${CONTAINER_REGISTRY}/${CI_REPO}
-      registry: https://gitea.hottis.de/v2/
+      registry: https://${CONTAINER_REGISTRY}/v2/
       tags: latest
-      username: wn
+      username: 
+        from_secret: system_container_registry_username
       password: 
         from_secret: system_container_registry_password
       dockerfile: Dockerfile