Update tech_docs/prometheus.md

tech_docs/prometheus.md

@@ -21,6 +21,7 @@ We'll organize the directories under `/volume1/docker/prometheus` as follows:
 Update the `docker-compose.yml` with absolute paths:
 
 ```yaml
+---
 version: '3.8'
 
 networks:
@@ -39,7 +40,7 @@ services:
     restart: unless-stopped
     volumes:
       - /volume1/docker/prometheus/prometheus:/etc/prometheus
-      - /volume1/docker/prometheus/prom_data:/prometheus
+      - prom_data:/prometheus
     networks:
       - monitoring
 
@@ -55,18 +56,22 @@ services:
       - '--config.file=/etc/alertmanager/config.yml'
     networks:
       - monitoring
+    depends_on:
+      - prometheus
 
   grafana:
     image: grafana/grafana
     container_name: grafana
     ports:
-      - '3000:3000'
+      - '3030:3000'
     restart: unless-stopped
     volumes:
       - /volume1/docker/prometheus/grafana:/var/lib/grafana
     networks:
       - monitoring
       - loki
+    depends_on:
+      - prometheus
 
   node_exporter:
     image: prom/node-exporter
@@ -76,6 +81,8 @@ services:
     restart: unless-stopped
     networks:
       - monitoring
+    depends_on:
+      - prometheus
 
   loki:
     image: grafana/loki:2.6.0
@@ -85,9 +92,11 @@ services:
     command: -config.file=/etc/loki/local-config.yaml
     volumes:
       - /volume1/docker/prometheus/loki:/etc/loki
-      - /volume1/docker/prometheus/loki_data:/loki
+      - loki_data:/loki
     networks:
       - loki
+    depends_on:
+      - promtail
 
   promtail:
     image: grafana/promtail:2.6.0
@@ -98,6 +107,8 @@ services:
     command: -config.file=/etc/promtail/config.yml
     networks:
       - loki
+    depends_on:
+      - loki
 
 volumes:
   prom_data: