Added Shepherd DockerStack

DockerStack/Dockers/Shepherd/shepherd-compose.yaml

@@ -0,0 +1,18 @@
+version: "3"
+services:
+  shepherd:
+    build: .
+    image: mazzolino/shepherd
+    environment:
+      - SLEEP_TIME=60m
+      - IGNORELIST_SERVICES="shepherd_shepherd wordpress_db wordpress_wordpress"
+      - ROLLBACK_ON_FAILURE=true
+      - TZ=Europe/Copenhagen
+      - IMAGE_AUTOCLEAN_LIMIT=2
+#      - APPRISE_SIDECAR_URL=apprise-microservice:5000      	
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    deploy:
+      placement:
+        constraints:
+        - node.role == manager