Watchtower inital commit

.gitignore

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+*
+!docker-compose.yml

docker-compose.yml

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+version: "3"
+services:
+  watchtower:
+    container_name: watchtower
+    image: containrrr/watchtower 
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    restart: unless-stopped
+    command: --interval 7200
+networks:
+  default:
+    external: true
+    name: gerbil_network