fix: use named volumes for deployment

- Replace local config mount with named volume
- Include config.yml content in Dockerfile
- Remove dependency on local files

docker-compose.yml

@@ -9,9 +9,7 @@ services:
       - "5000"
     volumes:
       - registry-data:/var/lib/registry
-      - type: bind
-        source: ./config.yml
-        target: /etc/docker/registry/config.yml
+      - registry-config:/etc/docker/registry
     networks:
       - registry-network
 
@@ -21,4 +19,6 @@ networks:
 
 volumes:
   registry-data:
+    driver: local
+  registry-config:
     driver: local