Removed docker build on non-tag push from CI

.drone.yml

@@ -6,16 +6,16 @@ pipeline:
   docker-release:
     image: plugins/docker
     repo: vmaple/rpdata
-    tags: latest
     auto_tag: true
     secrets: [ docker_username, docker_password ]
     when:
       event: tag
       ref: refs/tags/*
-  docker-dev:
+  docker-release-latest:
     image: plugins/docker
     repo: vmaple/rpdata
-    tags: trunk
+    tags: latest
     secrets: [ docker_username, docker_password ]
     when:
-      event: push
+      event: tag
+      ref: refs/tags/*