fix: use named volumes for deployment

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

Dockerfile

@@ -3,5 +3,23 @@ FROM registry:2
 # Use Alpine's apk package manager to install apache2-utils
 RUN apk --no-cache add apache2-utils
 
-# Create config directory
+# Create config directory and add default config
-RUN mkdir -p /etc/docker/registry/
+RUN mkdir -p /etc/docker/registry/ && \
+    echo 'version: 0.1\n\
+log:\n\
+  fields:\n\
+    service: registry\n\
+storage:\n\
+  cache:\n\
+    blobdescriptor: inmemory\n\
+  filesystem:\n\
+    rootdirectory: /var/lib/registry\n\
+http:\n\
+  addr: :5000\n\
+  headers:\n\
+    X-Content-Type-Options: [nosniff]\n\
+health:\n\
+  storagedriver:\n\
+    enabled: true\n\
+    interval: 10s\n\
+    threshold: 3' > /etc/docker/registry/config.yml

docker-compose.yml

@@ -9,9 +9,7 @@ services:
       - "5000"
     volumes:
       - registry-data:/var/lib/registry
-      - type: bind
+      - registry-config:/etc/docker/registry
-        source: ./config.yml
-        target: /etc/docker/registry/config.yml
     networks:
       - registry-network
 
@@ -22,3 +20,5 @@ networks:
 volumes:
   registry-data:
     driver: local
+  registry-config:
+    driver: local