add dht crawler from docker

docker-compose.yml

@@ -42,6 +42,15 @@ services:
     #ports:
     #  - 4444:4444/udp
 
+  dht-crawler:
+    image: lbry/dht-bootstrap:crawler  # metrics at port 8080
+    entrypoint: python3
+    command: scripts/dht_crawler.py
+    container_name: dht_node_crawler
+    restart: unless-stopped
+    network_mode: "host"
+
+
 #  node-exporter:
 #    image: prom/node-exporter:latest
 #    container_name: monitoring_node_exporter

prometheus.yml

@@ -36,6 +36,13 @@ scrape_configs:
   - targets:
     - host.docker.internal:7777
 
+- job_name: dht_crawler
+  metrics_path: /metrics
+  scheme: http
+  static_configs:
+  - targets:
+    - host.docker.internal:8080
+
 - job_name: lbcd
   metrics_path: /
   scheme: http