Why does Next.js static export jump to the homepage when accessing a specific route after being deployed on Nginx? What solutions are there?

Next.js static site deployment to Nginx and its solution

After using Next.js static export to deploy to an Nginx server, accessing a specific route but jumping to the homepage is a common problem. This article will analyze the causes and provide solutions.

Problem description:

Assuming that the Next.js application contains /test routes, the local development environment is running normally. But after static export, deploying to Nginx, access /test jumps to the homepage. This is different from Vue's history mode, which is usually solved by jumping to the homepage with the 404 configured in Nginx.

Cause analysis:

Nginx's try_files directive attempts to access the specified file or directory. If the /test corresponding file does not exist, Nginx will fall back to /index.html according to the configuration, causing it to jump to the homepage. This is because Next.js static export generates not a complete SPA application, but a pre-rendered HTML file.

Solution:

1. Check Next.js configuration and export results: Make sure that the Next.js project is configured correctly and statically export the files corresponding to the /test route. Check whether output: "export" configuration in next.config.js or package.json is correct, and whether the corresponding file for /test route exists in the generated out directory. If the file is missing, you need to check the routing configuration and page generation logic of Next.js.

2. Optimize Nginx configuration: Modify Nginx configuration to avoid jumping 404 errors directly to the homepage. You can try the following configuration:

    location / {
       try_files $uri $uri/ /404.html; # Point a 404 error to a custom 404 page}

   Or, handle routing more accurately:

    location /test {
       try_files $uri $uri/ /index.html; # Only process for /test routes}
   location / {
       try_files $uri $uri/ /index.html; #Other routing processing}

   The try_files instruction needs to be adjusted according to the actual situation to ensure that all routes are processed correctly. Create a 404.html file and place it in a static resource directory.

3. Use Next.js API Routes or Server-side Rendering: Avoid static exports for routes that require dynamic content or server-side rendering. You can use Next.js' API Routes to handle dynamic requests, or directly deploy with Next.js server and use Nginx as a reverse proxy.

4. Check the output of the next export command: When running the next export command, carefully check for any errors or warning messages that may prompt problems during routing configuration or export.

Through the above methods, the routing problem of Next.js static export on Nginx can be effectively solved, ensuring that all routes can be accessed correctly. If the problem persists, further checking the code of Next.js application and Nginx configuration will be required, and more details are provided for more accurate diagnosis.

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