add image delivery to registry

.drone.yml

@@ -1,26 +1,15 @@
-# .drone.yml - Sample file for connecting your module to Walhall's CI/CD pipeline.
-# Save this in the repository root. You don't have to change anything.
-# All environment variables are created in Walhall as secrets.
-
 pipeline:
-# Walhall requires git tags to exactly match the image tags.
-# This step preserves the tags.
   preserve-git-tags:
     image: bash
     commands:
-      # If the commit reference is a tag, then Drone will write the tag to the .tags file
       - bash -c "[[ \"${DRONE_COMMIT_REF}\" == \"refs/tags/\"* ]] && echo \"${DRONE_COMMIT_REF#refs/tags/}\" > .tags"
     when:
       event: [tag]
 
-  # This step builds the image and pushes it to the registry when a tag is pushed.
-  # Drone is configured to use the Walhall registry by default.
   build-docker-image-tag:
     image: plugins/docker
-    registry:
-      from_secret: DOCKER_REGISTRY
-    repo:
-      from_secret: DOCKER_REPO
+    registry: registry.humanitec.io
+    repo: registry.humanitec.io/public/sample-service
     username:
       from_secret: DOCKER_USERNAME
     password: