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/docker-compose.prod.yml

@@ -111,6 +111,8 @@ services:
         condition: service_healthy
       mediamtx:
         condition: service_started
+      garage:
+        condition: service_started
     volumes:
       - recordings:/recordings
     healthcheck:
@@ -151,10 +153,24 @@ services:
     depends_on:
       rails:
         condition: service_healthy
+      garage:
+        condition: service_started
     volumes:
       - recordings:/recordings
 
+  garage:
+    image: dxflrs/garage:v1.0.1
+    restart: unless-stopped
+    # API S3 solo rete Docker (rails/sidekiq → http://garage:3900). Non pubblicare 3900 su WAN.
+    volumes:
+      - garage_meta:/var/lib/garage/meta
+      - garage_data:/var/lib/garage/data
+      - ./garage/garage.prod.toml:/etc/garage.toml:ro
+    command: ["/garage", "-c", "/etc/garage.toml", "server"]
+
 volumes:
   postgres_data:
   redis_data:
   recordings:
+  garage_meta:
+  garage_data: