epic metrics

docker/compose.yml

@@ -50,6 +50,17 @@ services:
     volumes:
       - ./loki.yaml:/etc/loki/local-config.yaml
 
+  # Metrics collector
+  prometheus:
+    image: prom/prometheus:latest
+    expose:
+      - 9090
+    volumes:
+      - ./prometheus.yaml:/etc/prometheus/prometheus.yml
+      # persist data
+      - prometheus_storage:/prometheus
+    command: --web.enable-lifecycle --config.file=/etc/prometheus/prometheus.yml
+
   # Everything viewer
   grafana:
     image: grafana/grafana:latest
@@ -63,8 +74,9 @@ services:
       - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor
     ports:
       - 3000:3000
-
+  
 volumes:
+  prometheus_storage:
   grafana_storage:
   alloy_storage:
   surrealdb_storage:

docker/grafana.yaml

@@ -10,3 +10,15 @@ datasources:
   isDefault: true 
   version: 1
   editable: false
+- name: Prometheus
+  type: prometheus
+  uid: prometheus
+  access: proxy
+  orgId: 1
+  url: http://prometheus:9090
+  basicAuth: false
+  isDefault: false
+  version: 1
+  editable: false
+  jsonData:
+    httpMethod: GET

docker/prometheus.yaml

@@ -0,0 +1,16 @@
+global:
+  scrape_interval: 5s 
+  query_log_file: /etc/prometheus/query.log
+
+scrape_configs:
+  - job_name: crawler
+    static_configs:
+    # change this your machine's ip, localhost won't work
+    # because localhost refers to the docker container.
+      - targets: ['192.168.8.209:2500']
+  - job_name: loki
+    static_configs:
+      - targets: ['loki:3100']
+  - job_name: prometheus
+    static_configs:
+      - targets: ['localhost:9090']