Move the prometheus URL to the metrics docker compose

Author: maximopalopoli

grafana/provisioning/datasources/datasource.yaml

@@ -6,7 +6,7 @@ datasources:
     uid: prometheus
     access: proxy
     orgId: 1
-    url: http://prometheus:9090
+    url: "${PROMETHEUS_URL}"
     basicAuth: false
     isDefault: true
     editable: true

metrics-docker-compose.yaml

@@ -27,6 +27,7 @@ services:
       - POSTGRES_DB=postgres
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=postgres
+      - PROMETHEUS_URL=http://prometheus:9090
     extra_hosts:
       - "host.docker.internal:host-gateway"
     restart: unless-stopped