added grafana and prometheus

prometheus/prometheus.yml

@@ -0,0 +1,49 @@
+global:
+  scrape_interval: 30s
+  evaluation_interval: 30s
+
+scrape_configs:
+
+  # --- Health checks via Blackbox Exporter ---
+  - job_name: 'blackbox_http'
+    metrics_path: /probe
+    params:
+      module: [http_2xx]
+    static_configs:
+      - targets:
+          - http://tutortool:5000/grafana/health
+          - http://tutortool:5000/
+    relabel_configs:
+      - source_labels: [__address__]
+        target_label: __param_target
+      - source_labels: [__param_target]
+        target_label: instance
+      - target_label: __address__
+        replacement: blackbox-exporter:9115
+
+  # --- TCP check for Postgres ---
+  - job_name: 'blackbox_tcp'
+    metrics_path: /probe
+    params:
+      module: [tcp_connect]
+    static_configs:
+      - targets:
+          - db:5432
+          - redis:6379
+    relabel_configs:
+      - source_labels: [__address__]
+        target_label: __param_target
+      - source_labels: [__param_target]
+        target_label: instance
+      - target_label: __address__
+        replacement: blackbox-exporter:9115
+
+  # --- Blackbox exporter itself ---
+  - job_name: 'blackbox_exporter'
+    static_configs:
+      - targets: ['blackbox-exporter:9115']
+
+  # --- Prometheus itself ---
+  - job_name: 'prometheus'
+    static_configs:
+      - targets: ['localhost:9090']