feat: Grafana + Prometheus with auto-provisioning of Keep dashboard

.gitignore

@@ -216,3 +216,6 @@ keepnew.db
 providers_cache.json
 
 tests/provision/*
+grafana/*
+!grafana/provisioning/
+!grafana/dashboards/

docker-compose.yml

@@ -26,3 +26,33 @@ services:
     extends:
       file: docker-compose.common.yml
       service: keep-websocket-server-common
+
+  grafana:
+    image: grafana/grafana:latest
+    profiles:
+      - grafana
+    ports:
+      - "3001:3000"
+    volumes:
+      - ./grafana:/var/lib/grafana
+      - ./grafana/provisioning:/etc/grafana/provisioning
+      - ./grafana/dashboards:/etc/grafana/dashboards
+    environment:
+      - GF_SECURITY_ADMIN_USER=admin
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+      - GF_USERS_ALLOW_SIGN_UP=false
+    depends_on:
+      - prometheus
+
+  prometheus:
+    image: prom/prometheus:latest
+    profiles:
+      - grafana
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
+    command:
+      - "--config.file=/etc/prometheus/prometheus.yml"
+    depends_on:
+      - keep-backend