配置StarFireAPI部署：基于上游v0.1.64重新应用自定义配置

主要修改：
- docker-compose.yml: 使用 starfireapi:latest 镜像，端口6580，外部Redis配置
- .env.example: 配置外部Redis (172.18.0.2:6379)，默认端口6580
- 新增 DEPLOY_SERVER.md: 完整的服务器部署文档

技术细节：
- 禁用内置Redis服务，使用外部Redis (172.18.0.2:6379)
- 移除Redis的depends_on依赖
- 保留上游v0.1.64的所有新特性（SSE流式响应修复、调度器优化等）

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

deploy/.env.example

@@ -15,7 +15,7 @@
 BIND_HOST=0.0.0.0
 
 # Server port (exposed on host)
-SERVER_PORT=8080
+SERVER_PORT=6580
 
 # Server mode: release or debug
 SERVER_MODE=release
@@ -35,10 +35,12 @@ POSTGRES_PASSWORD=change_this_secure_password
 POSTGRES_DB=sub2api
 
 # -----------------------------------------------------------------------------
-# Redis Configuration
+# Redis Configuration (External Redis)
 # -----------------------------------------------------------------------------
-# Leave empty for no password (default for local development)
-REDIS_PASSWORD=
+# Using external Redis server at 172.18.0.2:6379
+REDIS_HOST=172.18.0.2
+REDIS_PORT=6379
+REDIS_PASSWORD=redis_JCHeKT
 REDIS_DB=0
 
 # -----------------------------------------------------------------------------