feat: add homelab deployment configs, documentation, and automation scripts

docker-deployments/shepherd.yml

@@ -0,0 +1,21 @@
+version: "3.8"
+
+services:
+  shepherd:
+    image: containrrr/shepherd:latest
+    environment:
+      - SLEEP_TIME=24h
+      - IGNORELIST_SERVICES=nginx-proxy-manager_app nginx-proxy-manager_backup
+      - UPDATE_OPTIONS=--with-registry-auth
+      - ROLLBACK_FAILURE=true
+      - TZ=America/New_York
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+    deploy:
+      mode: replicated
+      replicas: 1
+      placement:
+        constraints:
+          - node.role == manager
+      restart_policy:
+        condition: on-failure