adding various docker stack files

docker-stack/prometheus-node-exporter.yml

@@ -0,0 +1,50 @@
+version: "3.8"
+
+networks:
+  host-network:
+    name: host
+    external: true
+  prometheus-network:
+    external: true
+  traefik-network:
+    external: true
+
+services:
+  prometheus-node-exporter-service:
+    image: docker.io/prom/node-exporter:latest
+    hostname: prometheus-node-exporter-service-host
+    tty: true
+    environment:
+      - DS_NODE_NAME="{{.Node.Hostname}}"
+      - DS_SERVICE_NAME="{{.Service.Name}}"
+      - DS_TASK_NAME="{{.Task.Name}}"
+    networks:
+      - host-network
+    volumes:
+      - type: bind
+        source: /
+        target: /host
+        read_only: true
+    ##pid: host
+    command:
+      - --path.rootfs=/host
+      - --web.listen-address=:9100
+      ##- --web.disable-exporter-metrics
+      ##- --log.level=debug
+      ##- --path.procfs=/host/proc
+      ##- --path.sysfs=/host/sys
+      ##- --collector.filesystem.ignored-mount-points="^/(sys|proc|dev|host|etc)/?.*$$"
+    ##ports:
+    ##  - target: 9100
+    ##    published: 9100
+    ##    protocol: tcp
+    deploy:
+      mode: global
+      ##placement:
+        ##constraints:
+        ##  - node.role == manager
+      resources:
+        limits:
+          memory: 256MB
+      restart_policy:
+        condition: on-failure