added stacks for backup

stacks/backbone/caddy/Caddyfile

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+invokesmoke.dev {
+	header /.well-known/matrix/* Content-Type application/json
+	header /.well-known/matrix/* Access-Control-Allow-Origin *
+	respond /.well-known/matrix/server `{"m.server":"matrix.invokesmoke.dev:443"}`
+	respond /.well-known/matrix/client `{"m.homeserver":{"base_url":"https://matrix.invokesmoke.dev"}}`
+	handle {
+		root * /srv
+		file_server
+	}
+}
+
+matrix.invokesmoke.dev {
+	handle /_version {
+		respond `{"sha":"{env.GIT_SHA}"}`
+	}
+	handle /_matrix/* {
+		reverse_proxy tuwunel:6167
+	}
+	handle /_synapse/* {
+		reverse_proxy tuwunel:6167
+	}
+	handle {
+		root * /srv
+		file_server
+	}
+}
+
+matrix.invokesmoke.dev:8448 {
+	reverse_proxy tuwunel:6167
+}
+
+mealie.invokesmoke.dev {
+	reverse_proxy mealie:9000
+}
+
+dockge.invokesmoke.dev {
+	reverse_proxy dockge:5001
+}
+
+code.invokesmoke.dev {
+	reverse_proxy code-server:8443
+}
+
+pihole.invokesmoke.dev {
+	reverse_proxy pihole:80
+}
+
+gitea.invokesmoke.dev {
+	reverse_proxy gitea:3000
+}
+
+wetty.invokesmoke.dev {
+	reverse_proxy wetty:3000 {
+		header_up Upgrade {http.request.header.Upgrade}
+		header_up Connection {http.request.header.Connection}
+	}
+}
+
+vpn.invokesmoke.dev {
+	reverse_proxy wireguard:51821
+}

stacks/backbone/docker-compose.yml

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+services:
+  caddy:
+    container_name: caddy
+    image: caddy:2-alpine
+    restart: unless-stopped
+    ports:
+      - "80:80"
+      - "443:443"
+      - "8448:8448"
+    volumes:
+      - ./caddy/Caddyfile:/etc/caddy/Caddyfile:ro
+      - caddy-data:/data
+      - caddy-config:/config
+      - /opt/srv:/srv:ro
+    networks:
+      - backbone
+
+  pihole:
+    container_name: pihole
+    image: pihole/pihole:latest
+    restart: unless-stopped
+    ports:
+      - "53:53/tcp"
+      - "53:53/udp"
+      - "8053:80/tcp"
+    environment:
+      - WEBPASSWORD=${PIHOLE_PASSWORD}
+      - ServerIP=192.168.1.40
+    volumes:
+      - etc-pihole:/etc/pihole
+      - etc-dnsmasq.d:/etc/dnsmasq.d
+    networks:
+      - backbone
+
+volumes:
+  caddy-data:
+    external: true
+    name: backbone_caddy-data
+  caddy-config:
+    external: true
+    name: backbone_caddy-config
+  etc-pihole:
+  etc-dnsmasq.d:
+
+networks:
+  backbone:
+    name: backbone