Aggiunge proxy edge con pagina di cortesia e rilascio a downtime minimo.

NPM punta a nginx locale su :3000 che resta attivo durante il restart Rails; nuovo script release_production.sh esegue migrate, build e deploy in ordine.

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

infra/docker-compose.prod.yml

@@ -52,9 +52,7 @@ services:
       context: ../backend
       dockerfile: Dockerfile
     restart: unless-stopped
-    command: >
-      bash -c "bundle exec rails db:prepare &&
-      bundle exec rails server -b 0.0.0.0 -p 3000 -e production"
+    command: bundle exec rails server -b 0.0.0.0 -p 3000 -e production
     environment:
       RAILS_ENV: production
       DATABASE_URL: postgresql://postgres:${POSTGRES_PASSWORD}@postgres:5432/matchlivetv
@@ -117,8 +115,6 @@ services:
       OPS_SIDEKIQ_STALE_SECS: ${OPS_SIDEKIQ_STALE_SECS:-300}
       OPS_LOG_SUBSCRIBER: ${OPS_LOG_SUBSCRIBER:-false}
       SENTRY_DSN: ${SENTRY_DSN:-}
-    ports:
-      - "3000:3000"   # Solo LAN — NPM proxy HTTPS
     depends_on:
       postgres:
         condition: service_healthy
@@ -139,6 +135,20 @@ services:
       retries: 10
       start_period: 90s
 
+  edge:
+    image: nginx:alpine
+    restart: unless-stopped
+    ports:
+      - "3000:80"   # Solo LAN — NPM proxy HTTPS (pagina cortesia se Rails è in restart)
+    volumes:
+      - ./nginx-edge/nginx.conf:/etc/nginx/nginx.conf:ro
+      - ./nginx-edge/maintenance.html:/usr/share/nginx/maintenance/index.html:ro
+    healthcheck:
+      test: ["CMD", "wget", "-q", "--spider", "http://127.0.0.1:80/edge-health"]
+      interval: 15s
+      timeout: 5s
+      retries: 3
+
   sidekiq:
     build:
       context: ../backend