diff --git a/EnvelopeGenerator.GeneratorAPI/Program.cs b/EnvelopeGenerator.GeneratorAPI/Program.cs
index 02390820..ecb7abf3 100644
--- a/EnvelopeGenerator.GeneratorAPI/Program.cs
+++ b/EnvelopeGenerator.GeneratorAPI/Program.cs
@@ -40,7 +40,7 @@ try
 
     builder.Services.AddControllers();
 
-    //CORS Policy
+    // CORS Policy
     var allowedOrigins = config.GetSection("AllowedOrigins").Get<string[]>() ??
         throw new InvalidOperationException("AllowedOrigins section is missing in the configuration.");
     builder.Services.AddCors(options =>
@@ -104,8 +104,12 @@ try
         }
     });
     builder.Services.AddOpenApi();
-    // DbContext
-    var connStr = config.GetConnectionString("Default") ?? throw new InvalidOperationException("There is no default connection string in appsettings.json.");
+
+    //AddEF Core dbcontext
+    var useDbMigration = Environment.GetEnvironmentVariable("MIGRATION_TEST_MODE") == true.ToString() || config.GetValue<bool>("UseDbMigration");
+    var cnnStrName = useDbMigration ? "DbMigrationTest" : "Default";
+    var connStr = config.GetConnectionString(cnnStrName)
+        ?? throw new InvalidOperationException($"Connection string '{cnnStrName}' is missing in the application configuration.");
 
     builder.Services.Configure<ConnectionString>(cs => cs.Value = connStr);
 
diff --git a/EnvelopeGenerator.GeneratorAPI/appsettings.json b/EnvelopeGenerator.GeneratorAPI/appsettings.json
index 0d26888d..54ff8248 100644
--- a/EnvelopeGenerator.GeneratorAPI/appsettings.json
+++ b/EnvelopeGenerator.GeneratorAPI/appsettings.json
@@ -1,5 +1,6 @@
 {
   "UseSwagger": true,
+  "UseDbMigration": true,
   "DiPMode": true,
   "Logging": {
     "LogLevel": {
@@ -11,7 +12,7 @@
   "AllowedOrigins": [ "http://localhost:4200" ],
   "ConnectionStrings": {
     "Default": "Server=SDD-VMP04-SQL17\\DD_DEVELOP01;Database=DD_ECM;User Id=sa;Password=dd;Encrypt=false;TrustServerCertificate=True;",
-    "Dev":     "Server=SDD-VMP04-SQL17\\DD_DEVELOP01;Database=DD_ECM_DATA_MIGR_TEST;User Id=sa;Password=dd;Encrypt=false;TrustServerCertificate=True;"
+    "DbMigrationTest": "Server=SDD-VMP04-SQL17\\DD_DEVELOP01;Database=DD_ECM_DATA_MIGR_TEST;User Id=sa;Password=dd;Encrypt=false;TrustServerCertificate=True;"
   },
   "DirectorySearchOptions": {
     "ServerName": "DD-VMP01-DC01",