feat(backend): イベント用Redisを別サーバーに分離できるように

chart/files/default.yml

@@ -78,10 +78,19 @@ db:
 redis:
   host: localhost
   port: 6379
+  #family: 0  # 0=Both, 4=IPv4, 6=IPv6
   #pass: example-pass
   #prefix: example-prefix
   #db: 1
 
+#redisForPubsub:
+#  host: localhost
+#  port: 6379
+#  #family: 0  # 0=Both, 4=IPv4, 6=IPv6
+#  #pass: example-pass
+#  #prefix: example-prefix
+#  #db: 1
+
 #   ┌─────────────────────────────┐
 #───┘ Elasticsearch configuration └─────────────────────────────