fix: proper YAML config with printf

- Use printf for proper YAML formatting
- Add explicit config path to command
- Add config directory creation step

Dockerfile

@@ -3,11 +3,8 @@ FROM registry:2
 # Use Alpine's apk package manager to install apache2-utils
 RUN apk --no-cache add apache2-utils
 
-# Create config file with minimal configuration
-RUN mkdir -p /etc/docker/registry && \
-    echo 'version: 0.1' > /etc/docker/registry/config.yml && \
-    echo 'storage:' >> /etc/docker/registry/config.yml && \
-    echo '  filesystem:' >> /etc/docker/registry/config.yml && \
-    echo '    rootdirectory: /var/lib/registry' >> /etc/docker/registry/config.yml && \
-    echo 'http:' >> /etc/docker/registry/config.yml && \
-    echo '  addr: :5000' >> /etc/docker/registry/config.yml
+# Create config directory
+RUN mkdir -p /etc/docker/registry
+
+# Create config file with proper YAML formatting
+RUN printf "version: 0.1\nstorage:\n  filesystem:\n    rootdirectory: /var/lib/registry\nhttp:\n  addr: :5000\n" > /etc/docker/registry/config.yml

docker-compose.yml

@@ -11,6 +11,7 @@ services:
       - registry-data:/var/lib/registry
     networks:
       - registry-network
+    command: ["/etc/docker/registry/config.yml"]
 
 networks:
   registry-network: