Monitoring setup (#606)

I think that I now understand how prometheus docker host was supposed to
be used. It seems to work fine.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

This update enhances system observability and functionality through new
service integrations and configuration improvements:

- **New Features**
	- Introduced a dedicated validation service.
- Added a Grafana dashboard offering anonymous access with persistent
storage.
- **Updates**
	- Upgraded the monitoring service with a modern image.
	- Renamed the monitoring job identifier for improved organization.
- **Chores**
	- Enabled metrics support via additional environment variables.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

dev/docker/docker-compose.yml

@@ -21,15 +21,30 @@ services:
     ports:
       - 7545:8545
 
+  validation:
+    image: ghcr.io/xmtp/mls-validation-service:main
+    platform: linux/amd64
+    ports:
+      - 60051:50051
+
+
   prometheus:
-    image: prom/prometheus
+    image: ubuntu/prometheus
     ports:
       - 9090:9090
     volumes:
       - ./prometheus.yml:/etc/prometheus/prometheus.yml
 
-  validation:
-    image: ghcr.io/xmtp/mls-validation-service:main
-    platform: linux/amd64
+  grafana:
+    image: grafana/grafana
     ports:
-      - 60051:50051
+      - "3000:3000"
+    volumes:
+      - grafana_data:/var/lib/grafana
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_NAME=Viewer
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Viewer
+
+volumes:
+  grafana_data:

dev/docker/prometheus.yml

@@ -2,8 +2,8 @@ global:
   scrape_interval: 10s
 
 scrape_configs:
-  - job_name: prometheus
+  - job_name: xmtpd
     static_configs:
       - targets:
           - "host.docker.internal:8008"
-          - "host.docker.internal:8009"
+          - "host.docker.internal:8009"

dev/run

@@ -9,5 +9,7 @@ export XMTPD_PAYER_ENABLE=true
 export XMTPD_REPLICATION_ENABLE=true
 export XMTPD_SYNC_ENABLE=true
 export XMTPD_INDEXER_ENABLE=true
+export XMTPD_METRICS_ENABLE=true
+export XMTPD_METRICS_METRICS_ADDRESS=0.0.0.0
 
 go run -ldflags="-X main.Version=$(git describe HEAD --tags --long)" cmd/replication/main.go "$@"