diff --git a/src/KArtSell.Host/appsettings.Development.json b/src/KArtSell.Host/appsettings.Development.json
index 5196620a..c5143600 100644
--- a/src/KArtSell.Host/appsettings.Development.json
+++ b/src/KArtSell.Host/appsettings.Development.json
@@ -4,5 +4,10 @@
   },
   "ModelOperations": {
     "DispatcherEnabled": false
+  },
+  "Serilog": {
+    "MinimumLevel": {
+      "Default": "Debug"
+    }
   }
 }
diff --git a/src/KArtSell.Host/appsettings.json b/src/KArtSell.Host/appsettings.json
index 144a7e6c..ed88ef9c 100644
--- a/src/KArtSell.Host/appsettings.json
+++ b/src/KArtSell.Host/appsettings.json
@@ -7,7 +7,13 @@
     }
   },
   "ConnectionStrings": {
-    "Postgres": "Host=localhost;Port=5432;Database=kartsell;Username=kartsell;Password=kartsell"
+    "Postgres": "Host=127.0.0.1;Port=5432;Database=kartselldb;Username=kartsell;Password=kartsell4321@!"
+  },
+  "ExternalApis": {
+    "KrxOpenApi": {
+      "ApiKey": "FB391C96F128419AAFB193AB73DD6B8263E0D021",
+      "BaseUrl": "https://openapi.krx.co.kr"
+    }
   },
   "Authentication": {
     "Mode": "FailClosed"