Resolving OpenSSL Error in Node.js 20 for Next.js Projects

When upgrading your Node.js version to 20.x.x, you might encounter an OpenSSL error during the build process. This error can be resolved by using the legacy OpenSSL provider. Here’s a quick guide to fix this issue.

Steps to Resolve the Error

Update package.json Scripts:

Modify the build script in your package.json to include the --openssl-legacy-provider option:

{
  "scripts": {
    "build": "node --openssl-legacy-provider ./node_modules/.bin/next build"
  }
}

Rebuild the Project:

After updating the package.json, rebuild your project:

npm run build

Explanation

The --openssl-legacy-provider option ensures compatibility with the OpenSSL changes in Node.js 20.x.x, preventing the ERR_OSSL_EVP_UNSUPPORTED error.

By following these steps, you can successfully build your Next.js project with the latest Node.js version.