fix(monitoring): fix Grafana datasource UID to 'Prometheus' and handle metrics-token directory mount issue in deploy script

scripts/deploy-prod.sh

@@ -147,6 +147,13 @@ for i in $(seq 1 "$HEALTH_CHECK_MAX_ITERATIONS"); do
   if [ "$ACTUAL" = "$GIT_COMMIT" ]; then
     echo "OK build-info commit=$ACTUAL"
     echo "=== Updating monitoring stack ==="
+    # Fix potential Docker directory/file mount corruption for metrics-token
+    if [ -d monitoring/metrics-token ]; then
+      echo "WARN: monitoring/metrics-token is a directory on host, removing it"
+      rm -rf monitoring/metrics-token
+      git checkout monitoring/metrics-token || echo "default-token-value" > monitoring/metrics-token
+    fi
+
     if [ -f /opt/memento/.env.docker ]; then
       export $(cat /opt/memento/.env.docker | grep -v '^#' | xargs)
     fi
@@ -158,27 +165,12 @@ for i in $(seq 1 "$HEALTH_CHECK_MAX_ITERATIONS"); do
       docker compose -f monitoring/docker-compose.monitoring.yml up -d --remove-orphans 2>&1 || echo "WARN: Failed to bring up monitoring stack"
     fi
 
-    # Force recreation of Grafana to reload physical JSON dashboards mounted from the host
-    echo "=== Recreating Grafana to load updated dashboards ==="
-    docker compose -f monitoring/docker-compose.monitoring.yml up -d --force-recreate grafana 2>&1 || true
+    # Force recreation of Grafana, Prometheus and Alertmanager to apply config changes and fix mounts
+    echo "=== Recreating Grafana, Prometheus and Alertmanager containers ==="
+    docker compose -f monitoring/docker-compose.monitoring.yml up -d --force-recreate grafana prometheus alertmanager 2>&1 || true
 
-    # Diagnostics for Grafana dashboard loading
-    echo "=== Waiting for Grafana initialization ==="
-    sleep 4
-    echo "=== Grafana Mounted Dashboards ==="
-    docker exec memento-grafana ls -la /etc/grafana/dashboards || true
-    echo "=== Grafana Container Logs (Provisioning/Errors) ==="
-    docker logs memento-grafana --tail=100 || true
-
-    if docker ps --format '{{.Names}}' | grep -q "^memento-prometheus$"; then
-      echo "=== Reloading Prometheus configuration ==="
-      docker compose -f monitoring/docker-compose.monitoring.yml exec -T prometheus kill -SIGHUP 1 2>/dev/null || true
-    fi
-    if docker ps --format '{{.Names}}' | grep -q "^memento-alertmanager$"; then
-      echo "=== Reloading Alertmanager configuration ==="
-      docker compose -f monitoring/docker-compose.monitoring.yml exec -T alertmanager kill -SIGHUP 1 2>/dev/null || true
-    fi
     docker compose ps
+
     telegram_notify "success" "Deployment successful — app is healthy"
     exit 0
   fi