metrics: add a basic setup, collect metrics for the server

metrics/dashboards/docker-compose.yml

@@ -0,0 +1,25 @@
+version: '3.8'
+
+volumes:
+  prometheus_data: {}
+  grafana_data: {}
+
+services:
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+    expose:
+      - 9090
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./datasources.yml:/etc/grafana/provisioning/datasources/prom.yml
+    ports:
+      - "3000:3000"