显示出错了，连接是关闭弹出窗口，同时使用rails application.why创建aws实例？

Question

development:
  SECRET_KEY_BASE:  abc
  VNC_APP_COMMAND: "./public/vnc_app/utils/launch.sh"
  HOST: '0.0.0.0'
  PORT: '3000'
  DOMAIN: '0.0.0.0'
  SMTP_USER_NAME: "xxxxxx"
  SMTP_PASSWORD: "xxxxxx"
  ACTION_CABLE_URL: "ws://0.0.0.0:3000/cable"
  AWS_ACCESS_KEY_ID: XXXXX
  AWS_SECRET_ACCESS_KEY: XXXX
  AWS_REGION: us-east-1
  S3_BUCKET_PREFIX: bucket-of-user
  RAILS_HOST_URL: 'http://0.0.0.1:3000'
  S3_BUCKET: 'jsticks-local-uploads'
  NO_OF_RESERVED_INSTANCE: '1'
  REGION_OF_RESERVED_INSTANCE: 'us-east-1'
  AWS_S3_REGION: 'us-east-1'
  security_group: 'launch-wizard-3'
  stripe_secret_key: 'XXXX'
  stripe_publishable_key: 'XXXX'

也使用了127.0.0.1