fix: ensure config directory exists

- Create config directory in Dockerfile
- Use explicit volume bind mount syntax
- Fix config.yml mounting issue

Dockerfile

@@ -1,4 +1,7 @@
-FROM registry:2 AS base
+FROM registry:2
 
 # Use Alpine's apk package manager to install apache2-utils
-RUN apk --no-cache add apache2-utils
+RUN apk --no-cache add apache2-utils
+
+# Create config directory
+RUN mkdir -p /etc/docker/registry/

docker-compose.yml

@@ -2,16 +2,16 @@ version: '3.8'
 
 services:
   registry:
-    build:
-      context: .
-      dockerfile: Dockerfile
+    build: .
     container_name: registry
     restart: unless-stopped
     expose:
       - "5000"
     volumes:
       - registry-data:/var/lib/registry
-      - ./config.yml:/etc/docker/registry/config.yml
+      - type: bind
+        source: ./config.yml
+        target: /etc/docker/registry/config.yml
     networks:
       - registry-network