Aggiunge Garage al compose di produzione e script di bootstrap.

Rails e Sidekiq usano S3 interno (http://garage:3900); setup_garage_production.sh
configura bucket, chiavi e infra/.env sul server.

Co-authored-by: Cursor <cursoragent@cursor.com>

infra/scripts/ensure_garage_prod_config.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+# Crea garage/garage.prod.toml con secret casuali se mancante (solo produzione).
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+DEST="${ROOT}/garage/garage.prod.toml"
+TEMPLATE="${ROOT}/garage/garage.prod.toml.example"
+
+if [ -f "$DEST" ]; then
+  echo "Config Garage produzione già presente: $DEST"
+  exit 0
+fi
+
+if [ ! -f "$TEMPLATE" ]; then
+  echo "Manca $TEMPLATE"
+  exit 1
+fi
+
+RPC="$(openssl rand -hex 32)"
+ADMIN="$(openssl rand -hex 32)"
+sed -e "s/CHANGE_ME_RPC_SECRET_64_HEX/${RPC}/" \
+    -e "s/CHANGE_ME_ADMIN_TOKEN_64_HEX/${ADMIN}/" \
+    "$TEMPLATE" > "$DEST"
+chmod 600 "$DEST"
+echo "Creato $DEST"