add prometheus + grafana

prometheus-grafana/.gitignore

@@ -0,0 +1,4 @@
+*
+!docker-compose.yml
+!prometheus.yml
+!.gitignore

prometheus-grafana/docker-compose.yml

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+version: '3.8'
+
+networks:
+  monitoring:
+    driver: bridge
+
+volumes:
+  prometheus_data: {}
+
+services:
+  node-exporter:
+    image: prom/node-exporter:latest
+    container_name: node-exporter
+    restart: unless-stopped
+    volumes:
+      - /proc:/host/proc:ro
+      - /sys:/host/sys:ro
+      - /:/rootfs:ro
+    command:
+      - '--path.procfs=/host/proc'
+      - '--path.rootfs=/rootfs'
+      - '--path.sysfs=/host/sys'
+      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'
+    expose:
+      - 9100
+    networks:
+      - monitoring
+
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    restart: unless-stopped
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--web.console.libraries=/etc/prometheus/console_libraries'
+      - '--web.console.templates=/etc/prometheus/consoles'
+      - '--web.enable-lifecycle'
+    expose:
+      - 9090
+    networks:
+      - monitoring
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    restart: unless-stopped
+    volumes:
+      - ./grafana_data:/var/lib/grafana
+    environment:
+      - GF_SECURITY_ADMIN_PASSWORD=secret
+    expose:
+      - 3000
+    ports:
+      - 3000:3000
+    networks:
+      - monitoring

prometheus-grafana/prometheus.yml

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+global:
+  scrape_interval: 1m
+
+scrape_configs:
+  - job_name: 'prometheus'
+    scrape_interval: 1m
+    static_configs:
+      - targets: ['localhost:9090']
+
+  - job_name: 'node'
+    static_configs:
+      - targets: ['node-exporter:9100']
+
+# remote_write:
+#   - url: '<Your Prometheus remote_write endpoint>'
+#     basic_auth:
+#       username: '<Your Grafana Username>'
+#       password: '<Your Grafana API key>'