text: CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
  CREATE EXTENSION IF NOT EXISTS "pgcrypto";
  
  CREATE TABLE IF NOT EXISTS application_user(
      uuid uuid DEFAULT uuid_generate_v4(),
      username VARCHAR NOT NULL,
      password VARCHAR NOT NULL,
      PRIMARY KEY (uuid)
  );
  
  INSERT INTO application_user (username, password) VALUES ('renato', crypt('admin', 'my_salt'));
  