added watchtower and portainer

README.md

@@ -22,12 +22,14 @@ Various tools to monitor Docker containers
 
 ## Environment Variables
 
-- `DOCKER_INFLUXDB_INIT_ORG`
-  - Designates the InfluxDB organization in `telegraf.conf`
-- `INFLUX_WRITE_TOKEN`
-  - Designates the write token for InfluxDB in `telegraf.conf`
-- `INFLUX_HOST` (optional)
-- `LOKI_HOST` (optional)
+| Environment Variable       | Description                                     |
+| -------------------------- | ----------------------------------------------- |
+| `HOSTNAME`                 | Hostname for identifying log lines              |
+| `DOCKER_GUID`              | Group ID number for the `docker` user group     |
+| `DOCKER_INFLUXDB_INIT_ORG` | Organization name for InfluxDB                  |
+| `INFLUX_WRITE_TOKEN`       | InfluxDB write token                            |
+| `INFLUX_HOST`              | Hostname or IP address of the InfluxDB instance |
+| `LOKI_HOST`                | Hostname or IP address of the Loki instance     |
 
 ## Setup
 

docker-compose.yml

@@ -1,5 +1,15 @@
 version: '3.9'
 services:
+  portainer-agent:
+    image: portainer/agent
+    container_name: portainer_agent
+    restart: always
+    ports:
+      - 9001:9001
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/lib/docker/volumes:/var/lib/docker/volumes
+
   telegraf-docker:
     image: telegraf
     restart: unless-stopped
@@ -24,3 +34,12 @@ services:
     command:
       - "-config.file=/etc/promtail/promtail-config.yml"
       - "-config.expand-env=true"
+
+  watchtower:
+    image: containrrr/watchtower
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - /etc/localtime:/etc/localtime:ro
+      - /etc/timezone:/etc/timezone:ro
+    environment:
+      WATCHTOWER_SCHEDULE: "0 3 * * *"