try new tagging. Add ip of host to image

.drone.yml

@@ -14,8 +14,7 @@ pipeline:
       - go build
   publish:
     image: plugins/docker
-    custom_dns: [ 8.8.8.8, 8.8.4.4 ]
     repo: deadbeef.codes:5000/mandelmap
     registry: deadbeef.codes:5000
-#    auto_tag: true
-#    auto_tag_suffix: linux-rpi3
+    auto_tag: true
+    auto_tag_suffix: ${DRONE_COMMIT}