英文:
Hostname for fetch in serverside component with NextJS13 on Vercel
问题
When using fetch in a server-side component in Next.js 13, the code is written as follows:
fetch("http://localhost:3000/api/test")
此端点（例如，http..../test）根据部署环境而异。例如，此示例在本地部署，但在部署到某个分支时，主机名应该类似于 your-pj-and-git-branch.verce.app。
因此，问题在于根据部署环境的不同，上述代码应该进行重写。
如何轻松切换 fetch 的主机？
我希望 Vercel 有默认的环境变量，其中包含有关部署环境或主机名的信息，但似乎它没有这样的功能，所以我现在陷入困境。
谢谢！
英文:
When using fetch in an server side component on NextJS13, code is written as follows:
fetch("http://localhost:3000/api/test")
This endpoint (e.g., http..../test) varies on deployed environment. For example, this example is deployed on locally, but when deployed to certain branch, the host name should be something like your-pj-and-git-branch.verce.app.
So, the problem is that the code above should be rewritten depending on which environment it is deployed.
How can I switch the host for fetch easily?
I wish vercel has default env var which has information on deployed environment or hostname but it seems that it does not have such a functionality so I am now stuck.
Thanks!
答案1
得分: 1
我可以获取此环境变量（VERCL_URL）。文档在这里：
https://vercel.com/docs/concepts/projects/environment-variables/system-environment-variables
英文:
I could get env var for this ( VERCL_URL ). The document is here:
https://vercel.com/docs/concepts/projects/environment-variables/system-environment-variables
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