如果你正在寻求帮助，提供尽可能多的背景信息是很重要的，这样人们就能够帮助你。尽量总是提到：

• 你的网址是什么？http://www.vincentyuan.us/
• 你用的是什么版本的Ghost？5.54.0
• 什么配置？使用Ghost CLI安装，配置如下
• 什么浏览器？ chrome
• 您在控制台中看到了哪些错误或信息？ghost状态没有错误，但网站无法访问，底部显示404错误和nginx/1.18.0（Ubuntu）。
• 其他人可以采取哪些步骤来重现您遇到的问题？

我已经创建了弹性IP下面这个tutorial：
在Route 53上也创建了AWS上的托管区域，名称服务器已添加到我购买域名的NameCheap中，昨晚配置了它们，我认为DNS可能需要一些时间来传播，但似乎确实存在一些问题。
config.production.json如下所示：

{
  "url": "https://vincentyuan.us",
  "server": {
    "port": 2368,
    "host": "127.0.0.1"
  },
  "database": {
    "client": "mysql",
    "connection": {
      "host": "my_host",
      "user": "my_user",
      "password": "password",
      "database": "my_database",
      "ssl": "Amazon RDS"
    }
  },
  "mail": {
    "transport": "Direct"
  },
  "logging": {
    "transports": [
      "file",
      "stdout"
    ]
  },
  "process": "systemd",
  "paths": {
    "contentPath": "/var/www/sitename/content"
  }
}

字符串
幽灵医生日志：

✔ Checking system Node.js version - found v16.20.1
✔ Checking logged in user
✔ Ensuring user is not logged in as ghost user
✔ Checking if logged in user is directory owner
✔ Checking current folder permissions
✔ Checking system compatibility
+ sudo systemctl is-active ghost_vincentyuan-us
Instance is currently running
ℹ Validating config [skipped]
✔ Checking folder permissions
✔ Checking file permissions
✔ Checking content folder ownership
✖ Checking memory availability
✔ Checking binary dependencies
✔ Checking free space
✔ Checking systemd unit file
✔ Checking systemd node version - found v16.20.1
One or more errors occurred.

1) SystemError

Message: You are recommended to have at least 150 MB of memory available for smooth operation. It looks like you have ~111.0390625 MB available.

Debug Information:
    OS: Ubuntu, v20.04.6 LTS
    Node Version: v16.20.1
    Ghost Version: 5.54.0
    Ghost-CLI Version: 1.24.2
    Environment: production
    Command: 'ghost doctor'

Try running ghost doctor to check your system for known issues.

型
nginx状态：

ubuntu@ip-172-31-41-64:/var/www/sitename/current$ service nginx status
● nginx.service - A high performance web server and a reverse proxy server
     Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
     Active: active (running) since Sun 2023-07-09 03:06:19 UTC; 13h ago
       Docs: man:nginx(8)
   Main PID: 545 (nginx)
      Tasks: 2 (limit: 1141)
     Memory: 3.0M
     CGroup: /system.slice/nginx.service
             ├─545 nginx: master process /usr/sbin/nginx -g daemon on; master_process on;
             └─546 nginx: worker process

Jul 09 03:06:19 ip-172-31-41-64 systemd[1]: Starting A high performance web server and a reverse proxy server...
Jul 09 03:06:19 ip-172-31-41-64 systemd[1]: Started A high performance web server and a reverse proxy server.

型
ghost set up ssl也工作：

Love open source? We’re hiring JavaScript Engineers to work on Ghost full-time.
https://careers.ghost.org


SSL has already been set up, skipping
ℹ Setting up SSL [skipped]

型