Add monitoring

monitoring/promtail/config/config.yml

@@ -0,0 +1,35 @@
+server:
+  http_listen_port: 43623
+  grpc_listen_port: 0
+
+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: http://localhost:43622/loki/api/v1/push
+
+scrape_configs:
+  - job_name: docker
+    static_configs:
+      - targets:
+          - localhost
+        labels:
+          job: dockerlogs
+          __path__: /var/lib/docker/containers/*/*-json.log
+    pipeline_stages:
+      - json:
+          expressions:
+            stream: stream
+            attrs: attrs
+            tag: attrs.tag
+      - labels:
+          stream:
+          tag:
+
+  - job_name: system
+    static_configs:
+      - targets:
+          - localhost
+        labels:
+          job: varlogs
+          __path__: /var/log/*log