transform migrations to work with mysql, postgres and sqlite

sqlite currently fails syntax of views

src/data-source.ts

@@ -50,7 +50,7 @@ import { CreateSchema1738166167472 } from "./migrations/1738166167472-CreateSche
 
 const dataSource = new DataSource({
   type: DB_TYPE as any,
-  host: process.env.NODE_ENV || process.env.DBMODE ? "localhost" : DB_HOST,
+  host: DB_HOST,
   port: DB_PORT,
   username: DB_USERNAME,
   password: DB_PASSWORD,