feat: add ethereum-metrics-exporter (#3573)

Co-authored-by: Bjerg <onbjerg@users.noreply.github.com>

etc/lighthouse.yml

@@ -0,0 +1,44 @@
+version: '3.9'
+name: reth
+
+services:
+
+  lighthouse:
+    restart: unless-stopped
+    image: sigp/lighthouse
+    depends_on:
+      - reth
+    ports:
+      - '5052:5052/tcp' # rpc
+      - '5053:5053/tcp'
+      - '5054:5054/tcp' # metrics
+      - '9000:9000/tcp' # p2p
+      - '9000:9000/udp' # p2p
+    volumes:
+      - lighthousedata:/root/.lighthouse
+      - ./jwttoken:/root/jwt:ro
+    command: >
+      lighthouse bn
+      --http --http-address 0.0.0.0
+      --execution-endpoint http://reth:8551
+      --metrics --metrics-address 0.0.0.0
+      --execution-jwt /root/jwt/jwt.hex
+      --checkpoint-sync-url https://mainnet.checkpoint.sigp.io
+
+  metrics-exporter:
+    restart: unless-stopped
+    image: ethpandaops/ethereum-metrics-exporter:debian-latest
+    depends_on:
+      - reth
+      - lighthouse
+    ports:
+      - 9091:9091 # metrics
+    volumes:
+      - ./ethereum-metrics-exporter/config.yaml:/root/config.yaml
+    command:
+      - --config=/root/config.yaml
+      - --metrics-port=9091
+
+volumes:
+  lighthousedata:
+    driver: local