refactor: reduce deployment to one compose file

compose.yml

@@ -0,0 +1,18 @@
+services:
+  dyndns:
+    image: git.j-mahler.de/admin/domain-control-webinterface-prod:stable
+    pull_policy: always
+    restart: unless-stopped
+    ports:
+      - "8080:8080"
+    volumes:
+      - dyndns-data:/data
+      - dyndns-secrets:/secrets
+    security_opt:
+      - no-new-privileges:true
+    cap_drop:
+      - ALL
+
+volumes:
+  dyndns-data:
+  dyndns-secrets: