Back to templates, since separate stacks are needed.

templates/zerotier/0/docker-compose.yml

@@ -0,0 +1,18 @@
+version: '2'
+services:
+  zerotier:
+    container_name: ${NAME}
+    image: zerotier/zerotier-containerized:latest
+    cap_add:
+      - NET_ADMIN
+      - SYS_ADMIN
+    command:
+      - -d
+    devices:
+      - "/dev/net/tun"
+    labels:
+      io.rancher.scheduler.affinity:host_label: ${HOST_LABEL_KEY}=${HOST_LABEL_VALUE}
+    network_mode: "host"
+    restart: unless-stopped
+    volumes:
+      - ${CONFIG_STORAGE}:/var/lib/zerotier-one