Hosting Next.js web in Yarn Workspace Monorepo was Failed.

[jiyaaany]

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App Id

d1c90c3mxyn376

AWS Region

ap-northeast-2

Amplify Hosting feature

Monorepo, SSR

Frontend framework

Next.js

Next.js version

13

Next.js router

Pages Router

Describe the bug

First, My project architecture like below

project-root
  packages
    nextjs-web
      .next // build output
    ...apps

I set up deploying next.js web through Amplify but it failed at second step (provisioning > build)

Expected behavior

Build Success

Reproduction steps

Build Settings

version: 1
applications:
  - frontend:
      phases:
        preBuild:
          commands:
            - yarn install
        build:
          commands:
            - yarn web build # web is alias of nextjs-web package
      artifacts:
        baseDirectory: packages/nextjs-web/.next
        files:
          - '**/*'
      cache:
        paths:
          - .yarn/**/*
      buildPath: /
    appRoot: packages/nextjs-web
    customHeaders:
    - pattern: /
    headers:
      - key: Cache-Control
        value: s-maxage=10

Log output

# Put your logs below this line
2023-11-10T08:05:40.632Z [INFO]: Found customHttp.yml, applying custom headers...
2023-11-10T08:05:40.710Z [ERROR]: !!! CustomerError: Cannot find package: next. Please ensure the dependency is installed correctly

Additional information

I think It looks like it's all over by build. But I don't know what makes it fail after the build.

[mo-fouad]

I have the same Issue,
@jiyaaany Have you managed to solve it yet ?

[jiyaaany]

@mo-fouad No. Not yet. 😂

[mo-fouad]

@jiyaaany, Well, After a lot of debugging, I dropped Yarn on Amplify, and kept it only on local dev, And used only NPM.

[BearHumanS]

@jiyaaany, 혹시 이 문제 해결 하셨나요?