Add monitoring stack (prometheus/alertmanager/grafana)

monitoring/grafana/provisioning/dashboards/dashboards.yml

@@ -0,0 +1,16 @@
+apiVersion: 1
+
+datasources:
+  - name: Prometheus
+    type: prometheus
+    uid: prometheus
+
+providers:
+  - name: "default"
+    orgId: 1
+    folder: "Server"
+    type: file
+    disableDeletion: false
+    editable: true
+    options:
+      path: /var/lib/grafana/dashboards

monitoring/grafana/provisioning/datasources/datasource.yml

@@ -0,0 +1,8 @@
+apiVersion: 1
+
+datasources:
+  - name: Prometheus
+    type: prometheus
+    access: proxy
+    url: http://prometheus:9090
+    isDefault: true