promptail de docker añadido

config/promtail/promtail-config.yml

@@ -0,0 +1,45 @@
+server:
+  http_listen_port: 9080
+  grpc_listen_port: 0
+
+positions:
+  filename: /var/lib/promtail/positions.yaml
+
+clients:
+  - url: http://alloy:3101/loki/api/v1/push
+    batchwait: 1s
+    batchsize: 1048576
+
+scrape_configs:
+  - job_name: docker-containers
+    pipeline_stages:
+      - docker: {}
+      - json:
+          expressions:
+            timestamp: timestamp
+            message: message
+            detected_level: detected_level
+            detected_value: detected_value
+            service_name: service_name
+      - labels:
+          detected_value:
+          detected_level:
+          service_name:
+      - output:
+          source: message
+    docker_sd_configs:
+      - host: unix:///var/run/docker.sock
+        refresh_interval: 5s
+    relabel_configs:
+      - source_labels: ["__meta_docker_container_name"]
+        target_label: "container"
+      - source_labels: ["__meta_docker_container_image"]
+        target_label: "image"
+      - source_labels: ["__meta_docker_container_label_com_docker_compose_service"]
+        target_label: "compose_service"
+      - source_labels: ["__meta_docker_container_label_com_docker_compose_service"]
+        target_label: "job"
+      - source_labels: ["__meta_docker_container_label_com_docker_compose_project"]
+        target_label: "compose_project"
+      - source_labels: ["__meta_docker_container_id"]
+        target_label: "container_id"

docker-compose.yml

@@ -104,6 +104,7 @@ services:
       - GF_PATHS_PROVISIONING=/etc/grafana/provisioning
     volumes:
       - ./config/grafana/provisioning:/etc/grafana/provisioning
+      - ./config/grafana/dashboards:/var/lib/grafana/dashboards
       - grafana_data:/var/lib/grafana
     user: "472:472"
     networks:
@@ -114,6 +115,22 @@ services:
       - loki
       - tempo
 
+  # Promtail para exportar logs de todos los contenedores hacia Alloy
+  promtail:
+    image: grafana/promtail:latest
+    container_name: promtail
+    command: -config.file=/etc/promtail/promtail-config.yml
+    volumes:
+      - ./config/promtail/promtail-config.yml:/etc/promtail/promtail-config.yml:ro
+      - promtail_positions:/var/lib/promtail
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+      - /var/lib/docker/containers:/var/lib/docker/containers:ro
+    networks:
+      - monitoring
+    restart: always
+    depends_on:
+      - alloy
+
 networks:
   monitoring:
     driver: bridge
@@ -125,3 +142,4 @@ volumes:
   tempo_data:
   alloy_data:
   grafana_data:
+  promtail_positions: