diff --git a/.gitignore b/.gitignore
index 9823957..75d92e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -226,6 +226,6 @@ Thumbs.db
 .idea/
 
 # custom
-/**/**/appsettings.protected.json
+/**/**/appsettings.*.json
 
 **/**/deployment.yml
diff --git a/src/Nocr.TelegramClient.Host/Infrastructure/HostBuilderFactory.cs b/src/Nocr.TelegramClient.Host/Infrastructure/HostBuilderFactory.cs
index dee0d8f..2d5e82d 100644
--- a/src/Nocr.TelegramClient.Host/Infrastructure/HostBuilderFactory.cs
+++ b/src/Nocr.TelegramClient.Host/Infrastructure/HostBuilderFactory.cs
@@ -7,14 +7,14 @@ public class HostBuilderFactory<TStartup> where TStartup : class
     public IHostBuilder CreateHostBuilder(string[] args, string? baseDirectory = null)
     {
         var builder = Microsoft.Extensions.Hosting.Host.CreateDefaultBuilder(args)
+            .ConfigureWebHostDefaults(host => { host.UseStartup<TStartup>(); })
             .ConfigureAppConfiguration((_, configurationBuilder) =>
             {
                 if (!string.IsNullOrWhiteSpace(baseDirectory))
                     configurationBuilder.SetBasePath(baseDirectory);
 
-                configurationBuilder.AddJsonFile("appsettings.protected.json", true);
+                configurationBuilder.AddJsonFile("appsettings.protected.json", optional: true);
             })
-            .ConfigureWebHostDefaults(host => { host.UseStartup<TStartup>(); })
             .UseSerilog((ctx, logBuilder) =>
             {
                 logBuilder.ReadFrom.Configuration(ctx.Configuration)
diff --git a/src/Nocr.TelegramClient.Host/appsettings.Development.json b/src/Nocr.TelegramClient.Host/appsettings.Development.json
deleted file mode 100644
index ef1d616..0000000
--- a/src/Nocr.TelegramClient.Host/appsettings.Development.json
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  "Serilog": {
-    "WriteTo": [
-      {
-        "Name": "Console",
-        "Args": {
-          "outputTemplate": "[{Level:u3}] {Timestamp:MM-dd HH:mm:ss} {TraceId} {SourceContext:l} {Message:lj}{NewLine}{Exception}"
-        }
-      }
-    ]
-  },
-  "RebusRabbitMqOptions": {
-    "ConnectionString": "amqp://admin:admin@localhost:5672/"
-  },
-  "UsersRestEaseOptions": {
-    "BasePath": "http://localhost:4998"
-  },
-  "TextMatcherRestEaseOptions": {
-    "BasePath": "http://localhost:5001"
-  },
-  "AdministrationOptions": {
-    "EnableUpdateTelegramLogging": false
-  }
-}
diff --git a/src/Nocr.TelegramClient.Host/appsettings.DockerCompose.json b/src/Nocr.TelegramClient.Host/appsettings.DockerCompose.json
deleted file mode 100644
index f6278a6..0000000
--- a/src/Nocr.TelegramClient.Host/appsettings.DockerCompose.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "Serilog": {
-    "MinimumLevel": {
-      "Default": "Debug",
-      "Override": {
-        "Microsoft": "Information",
-        "Microsoft.AspNetCore": "Error",
-        "System.Net.Http.HttpClient": "Warning"
-      }
-    },
-    "WriteTo": [
-      {
-        "Name": "Console",
-        "Args": {
-          "outputTemplate": "[{Level:u3}] {Timestamp:MM-dd HH:mm:ss} {TraceId} {SourceContext:l} {Message:lj}{NewLine}{Exception}"
-        }
-      },
-      {
-        "Name": "File",
-        "Args": {
-          "path": "/var/log/nocr/telegram-client/telegram-client-.log",
-          "outputTemplate": "[{Level:u3}] {Timestamp:dd-MM-yyyy HH:mm:ss} {TraceId} {SourceContext:l} {Message:lj}{NewLine}{Exception}",
-          "fileSizeLimitBytes": 104857600,
-          "rollingInterval": "Day",
-          "rollOnFileSizeLimit": true
-        }
-      }
-    ]
-  },
-  "RebusRabbitMqOptions": {
-    "ConnectionString": "amqp://admin:admin@nocr-rabbitmq:5672/"
-  },
-  "UsersRestEaseOptions": {
-    "BasePath": "http://nocr-users:8080"
-  },
-  "TextMatcherRestEaseOptions": {
-    "BasePath": "http://nocr-text-matcher:8080"
-  }
-}
\ No newline at end of file
diff --git a/src/Nocr.TelegramClient.Host/appsettings.Production.json b/src/Nocr.TelegramClient.Host/appsettings.Production.json
deleted file mode 100644
index 93dc056..0000000
--- a/src/Nocr.TelegramClient.Host/appsettings.Production.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "Serilog": {
-    "MinimumLevel": {
-      "Default": "Information"
-    },
-    "WriteTo": [
-      {
-        "Name": "Console",
-        "Args": {
-          "outputTemplate": "[{Level:u3}] {Timestamp:MM-dd HH:mm:ss} {TraceId} {SourceContext:l} {Message:lj}{NewLine}{Exception}"
-        }
-      },
-      {
-        "Name": "File",
-        "Args": {
-          "path": "/var/log/nocr/telegram-client/nocr-telegram-client-.log",
-          "outputTemplate": "[{Level:u3}] {Timestamp:dd-MM-yyyy HH:mm:ss} {TraceId} {SourceContext:l} {Message:lj}{NewLine}{Exception}",
-          "fileSizeLimitBytes": 104857600,
-          "rollingInterval": "Day",
-          "rollOnFileSizeLimit": true
-        }
-      }
-    ]
-  }
-}
diff --git a/src/Nocr.TelegramClient.Host/appsettings.json b/src/Nocr.TelegramClient.Host/appsettings.json
index e330ca7..8e78d24 100644
--- a/src/Nocr.TelegramClient.Host/appsettings.json
+++ b/src/Nocr.TelegramClient.Host/appsettings.json
@@ -7,13 +7,36 @@
         "Microsoft.AspNetCore": "Error",
         "System.Net.Http.HttpClient": "Warning"
       }
-    }
+    },
+    "WriteTo": [
+      {
+        "Name": "Console",
+        "Args": {
+          "outputTemplate": "[{Level:u3}] {Timestamp:MM-dd HH:mm:ss} {TraceId} {SourceContext:l} {Message:lj}{NewLine}{Exception}"
+        }
+      }
+    ]
   },
   "RebusRabbitMqOptions": {
+    "ConnectionString": "",
     "InputQueueName": "nocr.telegram.client.queue",
     "DirectExchangeName": "nocr.direct",
     "TopicsExchangeName": "nocr.topics"
   },
+  "UsersRestEaseOptions": {
+    "BasePath": ""
+  },
+  "TextMatcherRestEaseOptions": {
+    "BasePath": ""
+  },
+  "TelegramBotOptions": {
+    "Token": ""
+  },
+  "AdministrationOptions": {
+    "EnableUpdateTelegramLogging": false,
+    "FeedbackReceiverIds": [],
+    "UpdateReceiverIds": []
+  },
   "MessageDispatcherOptions": {
     "Interval": "00:00:00.050",
     "ExceptionInterval": "00:00:30"
@@ -22,9 +45,5 @@
     "Path": "Resources",
     "Pattern": "",
     "ReadNestedFolders": "true"
-  },
-  "AdministrationOptions": {
-    "FeedbackReceiverIds": [],
-    "UpdateReceiverIds": []
   }
 }
diff --git a/src/Nocr.TelegramClient.Host/appsettings.k8s.json b/src/Nocr.TelegramClient.Host/appsettings.k8s.json
deleted file mode 100644
index 404dd02..0000000
--- a/src/Nocr.TelegramClient.Host/appsettings.k8s.json
+++ /dev/null
@@ -1,40 +0,0 @@
-{
-  "Serilog": {
-    "MinimumLevel": {
-      "Default": "Information"
-    },
-    "WriteTo": [
-      {
-        "Name": "Console",
-        "Args": {
-          "outputTemplate": "[{Level:u3}] {Timestamp:MM-dd HH:mm:ss} {TraceId} {SourceContext:l} {Message:lj}{NewLine}{Exception}"
-        }
-      },
-      {
-        "Name": "File",
-        "Args": {
-          "path": "/var/log/nocr/telegram-client/nocr-telegram-client-.log",
-          "outputTemplate": "[{Level:u3}] {Timestamp:dd-MM-yyyy HH:mm:ss} {TraceId} {SourceContext:l} {Message:lj}{NewLine}{Exception}",
-          "fileSizeLimitBytes": 104857600,
-          "rollingInterval": "Day",
-          "rollOnFileSizeLimit": true
-        }
-      }
-    ]
-  },
-  "RebusRabbitMqOptions": {
-    "ConnectionString": ""
-  },
-  "UsersRestEaseOptions": {
-    "BasePath": ""
-  },
-  "TextMatcherRestEaseOptions": {
-    "BasePath": ""
-  },
-  "TelegramBotOptions": {
-    "Token": ""
-  },
-  "AdministrationOptions": {
-    "EnableUpdateTelegramLogging": true
-  }
-}
\ No newline at end of file