added stacks for backup

stacks/docker-socket-proxy/compose.yaml

@@ -0,0 +1,24 @@
+services:
+  socket-proxy:
+    image: tecnativa/docker-socket-proxy
+    container_name: docker-socket
+    restart: unless-stopped
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+    ports:
+      - 2375:2375
+    environment:
+      CONTAINERS: 1
+      IMAGES: 1
+      INFO: 1
+      NETWORKS: 1
+      VOLUMES: 1
+      SERVICES: 1
+      TASKS: 1
+      POST: 1
+      ALLOW_START: 1
+      ALLOW_STOP: 1
+      ALLOW_RESTARTS: 1
+networks:
+  backbone:
+    external: true