config: improve Redis configuration and credentials management

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/Config/RedisConfig.cs

@@ -1,8 +1,25 @@
 namespace YarpGateway.Config;
 
+/// <summary>
+/// Redis 连接配置
+/// 注意：ConnectionString 应从环境变量或密钥管理服务获取，不要硬编码凭据
+/// </summary>
 public class RedisConfig
 {
-    public string ConnectionString { get; set; } = "81.68.223.70:16379,password=sl52788542";
+    /// <summary>
+    /// Redis 连接字符串
+    /// 从环境变量 REDIS_CONNECTION_STRING 读取，或从配置文件获取
+    /// 格式: host:port,password=xxx
+    /// </summary>
+    public string ConnectionString { get; set; } = string.Empty;
+    
+    /// <summary>
+    /// Redis 数据库编号
+    /// </summary>
     public int Database { get; set; } = 0;
+    
+    /// <summary>
+    /// 实例名称前缀
+    /// </summary>
     public string InstanceName { get; set; } = "YarpGateway";
 }

src/Services/RedisConnectionManager.cs

@@ -41,7 +41,8 @@ public class RedisConnectionManager : IRedisConnectionManager
                 _logger.LogError(e.Exception, "Redis connection failed");
             };
 
-            _logger.LogInformation("Connected to Redis at {ConnectionString}", _config.ConnectionString);
+            // 脱敏连接字符串中的密码
+            _logger.LogInformation("Connected to Redis at {Host}", configuration.EndPoints.FirstOrDefault()?.ToString() ?? "unknown");
             return connection;
         });
     }

src/appsettings.Development.json

@@ -1,8 +1,34 @@
 {
   "Logging": {
     "LogLevel": {
-      "Default": "Information",
+      "Default": "Debug",
-      "Microsoft.AspNetCore": "Warning"
+      "Microsoft.AspNetCore": "Information",
+      "Yarp.ReverseProxy": "Debug"
     }
+  },
+  "ConnectionStrings": {
+    "DefaultConnection": ""
+  },
+  "Jwt": {
+    "Authority": "https://your-auth-server.com",
+    "Audience": "fengling-gateway",
+    "ValidateIssuer": true,
+    "ValidateAudience": true
+  },
+  "Redis": {
+    "ConnectionString": "",
+    "Database": 0,
+    "InstanceName": "YarpGateway"
+  },
+  "Cors": {
+    "AllowedOrigins": [
+      "http://localhost:5173",
+      "http://127.0.0.1:5173",
+      "http://localhost:5174"
+    ],
+    "AllowAnyOrigin": false
+  },
+  "ServiceDiscovery": {
+    "UseInClusterConfig": false
   }
 }

src/appsettings.json

@@ -16,16 +16,16 @@
     "AllowAnyOrigin": false
   },
   "ConnectionStrings": {
-    "DefaultConnection": "Host=81.68.223.70;Port=15432;Database=fengling_gateway;Username=movingsam;Password=sl52788542"
+    "DefaultConnection": ""
   },
   "Jwt": {
-    "Authority": "https://your-auth-server.com",
+    "Authority": "",
     "Audience": "fengling-gateway",
     "ValidateIssuer": true,
     "ValidateAudience": true
   },
   "Redis": {
-    "ConnectionString": "81.68.223.70:6379",
+    "ConnectionString": "",
     "Database": 0,
     "InstanceName": "YarpGateway"
   },
@@ -60,5 +60,8 @@
         "Url": "http://0.0.0.0:8080"
       }
     }
+  },
+  "ServiceDiscovery": {
+    "UseInClusterConfig": true
   }
 }