Create MySQL/PostgreSQL DBs while using sqlite as the central DB driver

assets/config.php

@@ -59,6 +59,13 @@ return [
         'mysql' => 'Stancl\Tenancy\TenantDatabaseManagers\MySQLDatabaseManager',
         'pgsql' => 'Stancl\Tenancy\TenantDatabaseManagers\PostgreSQLDatabaseManager',
     ],
+    'database_manager_connections' => [
+        // Connections used by TenantDatabaseManagers. This tells, for example, the
+        // MySQLDatabaseManager to use the mysql connection to create databases.
+        'sqlite' => 'sqlite',
+        'mysql' => 'mysql',
+        'pgsql' => 'pgsql',
+    ],
     'bootstrappers' => [
         // Tenancy bootstrappers are executed when tenancy is initialized.
         // Their responsibility is making Laravel features tenant-aware.

assets/migrations/2019_08_08_000000_create_tenants_table.php

@@ -17,7 +17,7 @@ class CreateTenantsTable extends Migration
     {
         Schema::create('tenants', function (Blueprint $table) {
             $table->string('id', 36)->primary(); // 36 characters is the default uuid length
-            // your custom, indexed columns go here
+            // (optional) your custom, indexed columns can go here
 
             $table->json('data');
         });

assets/migrations/2019_09_15_000000_create_domains_table.php

@@ -16,8 +16,10 @@ class CreateDomainsTable extends Migration
     public function up()
     {
         Schema::create('domains', function (Blueprint $table) {
-            $table->string('tenant_id', 36); // 36 characters is the default uuid length // todo foreign key?
+            $table->string('tenant_id', 36); // 36 characters is the default uuid length
             $table->string('domain', 255)->unique(); // don't change this
+
+            $table->foreign('tenant_id')->references('id')->on('tenants')->onUpdate('cascade')->onDelete('cascade');
         });
     }