asd

docker/monitoring/docker-compose.yaml

@@ -1,45 +1,43 @@
----
 version: '3.8'
-services:
-  prometheus:
-    image: prom/prometheus:latest
-    volumes:
-      - ./prometheus.yaml:/etc/prometheus/prometheus.yml:ro
-    ports:
-      - "9090:9090"
-    networks:
-      - snake_net
-    restart: unless-stopped
-
-  nginx-prometheus-exporter:
-    image: nginx/nginx-prometheus-exporter:latest
-    container_name: nginx-prometheus-exporter
-    ports:
-      - "9113:9113"
-    environment:
-      - NGINX_STATUS_URL=http://nginx:8080/metrics
-    networks:
-      - snake_net
-
-
-
-  grafana:
-    image: grafana/grafana:latest
-    volumes:
-      - ./grafana/provisioning:/etc/grafana/provisioning:ro
-      - grafana_data:/var/lib/grafana
-    environment:
-      GF_SECURITY_ADMIN_PASSWORD: "admin"
-      GF_DASHBOARDS_DEFAULT_HOME_DASHBOARD_PATH: /var/lib/grafana/dashboards/home.json
-    ports:
-      - "3000:3000"
-    networks:
-      - snake_net
-    restart: unless-stopped
-
-volumes:
-  grafana_data:
 
 networks:
   snake_net:
     external: true
+
+services:
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: monitoring-prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus.yaml:/etc/prometheus/prometheus.yml
+    networks:
+      - snake_net
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: monitoring-grafana
+    ports:
+      - "3000:3000"
+    volumes:
+      - ./grafana/provisioning:/etc/grafana/provisioning
+      - ./grafana/dashboards:/var/lib/grafana/dashboards
+    networks:
+      - snake_net
+
+  nginx-exporter:
+    image: nginx/nginx-prometheus-exporter:latest
+    container_name: nginx-exporter
+    ports:
+      - "9113:9113"
+    networks:
+      - snake_net
+
+  blackbox-exporter:
+    image: prom/blackbox-exporter:latest
+    container_name: blackbox-exporter
+    ports:
+      - "9115:9115"
+    networks:
+      - snake_net

docker/monitoring/prometheus.yaml

@@ -10,3 +10,17 @@ scrape_configs:
   - job_name: 'nginx'
     static_configs:
       - targets: ['nginx-prometheus-exporter:9113']
+
+  - job_name: 'snake-game'
+    metrics_path: /probe
+    params:
+      module: [http_2xx]  # probe returns 1 if HTTP 200
+    static_configs:
+      - targets: ['snake-game:8080']  # snake game container + port
+    relabel_configs:
+      - source_labels: [__address__]
+        target_label: __param_target
+      - source_labels: [__param_target]
+        target_label: instance
+      - target_label: __address__
+        replacement: blackbox-exporter:9115