Add docker

docker/grafana/docker-compose.yml

@@ -0,0 +1,33 @@
+name: 'subcoin'
+
+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'
+      - '--web.listen-address=0.0.0.0:9090'
+    ports:
+      - '9090:9090' # Expose Prometheus UI on port 9090
+    restart: unless-stopped
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    ports:
+      - '3000:3000' # Expose Grafana UI on port 3000
+    environment:
+      - GF_SECURITY_ADMIN_USER=admin
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+    volumes:
+      - grafana_data:/var/lib/grafana
+    depends_on:
+      - prometheus
+    restart: unless-stopped
+
+volumes:
+  prometheus_data:
+  grafana_data:

docker/grafana/prometheus.yml

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+# A scrape configuration containing exactly one endpoint to scrape:
+scrape_configs:
+  - job_name: "subcoin_node"
+
+    scrape_interval: 5s
+
+    static_configs:
+      # Replace localhost as the public IP address if deployed on the cloud.
+      - targets: ["localhost:9615"]