add registry

docker-compose.yml

@@ -1,6 +1,9 @@
 services:
   electrum:
-    image: bitdeals/electrum:latest
+    build:
+      context: ./docker
+      dockerfile: Dockerfile
+    image: registry.bitdeals.org/electrum
     environment:
       - ELECTRUM_API_USER=electrum_api_user
       - ELECTRUM_API_PASSWORD=electrum_api_password