updates

timetracker.Server/Program.cs

@@ -158,6 +158,7 @@ using (var scope = app.Services.CreateScope())
 {
     var factory = scope.ServiceProvider.GetRequiredService<IDbContextFactory<TimetrackerDbContext>>();
     await using var db = await factory.CreateDbContextAsync();
+    var databaseCreatedFromModel = false;
     
     if (dbProvider.Equals("PostgreSQL", StringComparison.OrdinalIgnoreCase))
     {
@@ -169,6 +170,24 @@ using (var scope = app.Services.CreateScope())
                 await conn.OpenAsync();
             }
 
+            using (var cmdCheckTables = conn.CreateCommand())
+            {
+                cmdCheckTables.CommandText = @"
+                    SELECT COUNT(*)
+                    FROM information_schema.tables
+                    WHERE table_schema = 'public'
+                      AND table_name <> '__EFMigrationsHistory';";
+                var existingTableCount = Convert.ToInt32(await cmdCheckTables.ExecuteScalarAsync() ?? 0);
+                if (existingTableCount == 0)
+                {
+                    await db.Database.EnsureCreatedAsync();
+                    databaseCreatedFromModel = true;
+                }
+            }
+
+            if (!databaseCreatedFromModel)
+            {
+
                 // Check if AppSettings table already exists
                 using (var cmdCheck = conn.CreateCommand())
                 {
@@ -213,15 +232,19 @@ using (var scope = app.Services.CreateScope())
                     }
                 }
             }
+        }
         catch (Exception ex)
         {
             Console.WriteLine($"Fehler beim Vorbereiten der PostgreSQL Migrationshistorie: {ex.Message}");
         }
     }
 
+    if (!databaseCreatedFromModel)
+    {
         await db.Database.MigrateAsync();
+    }
 
-    if (dbProvider.Equals("PostgreSQL", StringComparison.OrdinalIgnoreCase))
+    if (dbProvider.Equals("PostgreSQL", StringComparison.OrdinalIgnoreCase) && !databaseCreatedFromModel)
     {
         try
         {