text: DROP TABLE IF EXISTS books ;
  CREATE TABLE books(
      id SERIAL PRIMARY KEY ,
      author VARCHAR(255),
      title VARCHAR(255),
      isbn VARCHAR(255),
      image_url VARCHAR(255),
      description  TEXT,
      bookshelf VARCHAR(255)
  );
  
  /*PORT=5050
  DATABASE_URL=postgres://osama:1234@localhost:5432/books_app
  */