update monitoring docker-compose conf

monitoring/.env.example

@@ -1,5 +1,10 @@
+INFLUXDB_ADDRESS=192.168.16.4
 INFLUXDB_DB=collectd
 INFLUXDB_READ_USER=grafana
-INFLUXDB_READ_PASSWORD=supersecret
+INFLUXDB_READ_PASSWORD=supersecret1
+GF_ADDRESS=192.168.16.3
 GF_SECURITY_ADMIN_USER=admin
-GF_SECURITY_ADMIN_PASSWORD=changeme123
+GF_SECURITY_ADMIN_PASSWORD=supersecret2
+# enable these to serve Grafana from a sub-path, e.g., http://homelab.server/grafana
+# GF_SERVER_ROOT_URL=%(protocol)s://%(domain)s/grafana/
+# GF_SERVER_SERVE_FROM_SUB_PATH=true

monitoring/docker-compose.yaml

@@ -3,7 +3,8 @@ services:
   grafana:
     image: grafana/grafana:6.6.2
     networks:
-      - openwrt-lan
+      openwrt-lan:
+        ipv4_address: $GF_ADDRESS
     ports:
       - "3000:3000"
     env_file:
@@ -16,7 +17,8 @@ services:
   influxdb:
     image: influxdb:1.7
     networks:
-      - openwrt-lan
+      openwrt-lan:
+        ipv4_address: $INFLUXDB_ADDRESS
     env_file: 
       - .env
     volumes: