fix: setup to allow login to Medusa Cloud

packages/medusa/src/migrations/1619108646647-nullable_password.ts

@@ -0,0 +1,15 @@
+import { MigrationInterface, QueryRunner } from "typeorm"
+
+export class nullablePassword1619108646647 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "user" ALTER COLUMN "password_hash" DROP NOT NULL`
+    )
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "user" ALTER COLUMN "password_hash" TYPE character varying, ALTER COLUMN "password_hash" NOT NULL`
+    )
+  }
+}