started grafana alloy implementation

docker-compose.yml

@@ -21,6 +21,19 @@ services:
       - ./telegraf/telegraf.conf:/etc/telegraf/telegraf.conf:ro
       - /var/run/docker.sock:/var/run/docker.sock
 
+  alloy:
+    image: grafana/alloy
+    container_name: grafana-alloy
+    restart: unless-stopped
+    volumes:
+      - ./grafana-alloy/config.alloy:/etc/alloy/config.alloy
+      - /var/run/docker.sock:/var/run/docker.sock
+    command:
+      - run
+      - --server.http.listen-addr=0.0.0.0:12345
+      - --storage.path=/var/lib/alloy/data
+      - /etc/alloy/config.alloy
+
   watchtower:
     image: containrrr/watchtower
     container_name: watchtower

grafana-alloy/config.alloy

@@ -0,0 +1,34 @@
+discovery.docker "dockerlogs" {
+  host = "unix:///var/run/docker.sock"
+}
+
+discovery.relabel "dockerlogs" {
+  targets = []
+
+  rule {
+    source_labels = ["__meta_docker_container_name"]
+    regex = "/(.*)"
+    target_label = "service_name"
+  }
+}
+
+loki.source.docker "default" {
+  host       = "unix:///var/run/docker.sock"
+  targets    = discovery.docker.dockerlogs.targets
+  labels     = {"platform" = "docker"}
+  relabel_rules = discovery.relabel.dockerlogs.rules
+  forward_to = [loki.write.default.receiver]
+}
+
+loki.write "default" {
+  endpoint {
+    url = "http://loki:3100/loki/api/v1/push"
+  }
+  external_labels = {}
+}
+
+prometheus.remote_write "default" {
+  endpoint {
+    url = "http://prometheus:9090/api/v1/write"
+  }
+}