fixups

Models/ProfileDbContext.cs

@@ -14,7 +14,7 @@ public class ProfileDbContext
         {
             RequestTimeout = TimeSpan.FromSeconds(30)
         };
-        var connectionString = connectionStrings.Value.DbConnectionString;
+        var connectionString = connectionStrings.Value.DbConnectionString ?? "DbConnectionString";
         var client = new CosmosClient(connectionString, clientOptions);
         var database = client.GetDatabase("ProfileDb");
         _container = database.GetContainer("Profile");

Settings/ConnectionStrings.cs

@@ -2,6 +2,6 @@
 
 public class ConnectionStrings
 {
-    public string? DbConnectionString { get; set; }
-    public string? AzureBlobStorage { get; set; }
+    public string? DbConnectionString { get; set; } = "";
+    public string? AzureBlobStorage { get; set; } = "";
 }
\ No newline at end of file

Settings/FrontendStrings.cs

@@ -2,5 +2,5 @@
 
 public class FrontendStrings
 {
-    public string? BaseUrl { get; set; }
+    public string? BaseUrl { get; set; } = "";
 }
\ No newline at end of file