diff --git a/docker-compose.observability.yml b/docker-compose.observability.yml
index 7c30bcca..ad05213c 100644
--- a/docker-compose.observability.yml
+++ b/docker-compose.observability.yml
@@ -146,6 +146,7 @@ services:
     environment:
       GF_SECURITY_ADMIN_PASSWORD: ${GRAFANA_ADMIN_PASSWORD:-changeme}
       GF_USERS_ALLOW_SIGN_UP: "false"
+      GF_SERVER_ROOT_URL: ${GF_SERVER_ROOT_URL:-http://localhost:3003}
     volumes:
       - grafana_data:/var/lib/grafana
       - ./infra/observability/grafana/provisioning:/etc/grafana/provisioning:ro