code: function askForDockerRepositoryName() {
      if (this.regenerate) return;
  
      const done = this.async();
  
      const prompts = [
          {
              type: 'input',
              name: 'dockerRepositoryName',
              message: 'What should we use for the base Docker repository name?',
              default: this.dockerRepositoryName
          }
      ];
  
      this.prompt(prompts).then(props => {
          this.dockerRepositoryName = props.dockerRepositoryName;
          done();
      });
  }
docs: Ask For Docker Repository Name