Update

drone.yml

     #mirror: registry-1.docker.io/library/debian:stable-slim
     bip: 172.17.0.1/16
     context: /drone # defaults to root of git repo
-    custom_dns: 127.0.0.11
+    #custom_dns: 127.0.0.11
     storage_driver: overlay2 # aufs, overlay or vfs
-    debug: true
-    launch_debug: true
+    #debug: true
+    #launch_debug: true
     target: builder # Dockerfile build target e.g. builder, debug, production
     dockerfile: Dockerfile
     auto_tag: false