Update docker compose and example env file for DPI and IDS polling

Add two example env variables for folks who want want to add DPI and IDS polling options in their docker stack.

init/docker/docker-compose.env.example

@@ -11,6 +11,8 @@ GRAFANA_PASSWORD=grafanaadmin
 #unifi-poller
 POLLER_TAG=latest
 POLLER_DEBUG=false
+POLLER_SAVE_IDS=false
+POLLER_SAVE_DPI=false
 UNIFI_USER=unifipoller
 UNIFI_PASS=set_this_on_your_controller
-UNIFI_URL=https://127.0.0.1:8443
+UNIFI_URL=https://127.0.0.1:8443

init/docker/docker-compose.yml

@@ -51,6 +51,8 @@ services:
       - UP_UNIFI_DEFAULT_PASS=${UNIFI_PASS}
       - UP_UNIFI_DEFAULT_URL=${UNIFI_URL}
       - UP_POLLER_DEBUG=${POLLER_DEBUG}
+      - UP_UNIFI_DEFAULT_SAVE_IDS=${POLLER_SAVE_IDS}
+      - UP_UNIFI_DEFAULT_SAVE_DPI=${POLLER_SAVE_DPI}
 volumes:
   influxdb-storage:
   chronograf-storage: