为什么在添加身份验证功能时AWS-Amplify构建失败

Question

我最近刚刚开始使用亚马逊的AWS基本计划，我正在使用AWS-Amplify来上传react应用程序，我通常使用yarn和create react-app。我不确定它是否与使用npm的AWS教程有冲突，但我做对了，并成功地构建和部署了它。然而，当我添加Auth功能时，它只在我的本地工作，但在部署时构建失败。以下是错误日志：

2020-06-23T17:07:34.078Z [INFO]: Git SSH Key acquired
2020-06-23T17:07:34.155Z [INFO]: # Cloning repository: git@github.com:mav1283/amplifyapp.git
2020-06-23T17:07:34.273Z [INFO]: Agent pid 131
2020-06-23T17:07:34.329Z [INFO]: Identity added: /root/.ssh/git_rsa (/root/.ssh/git_rsa)
2020-06-23T17:07:34.558Z [INFO]: Cloning into 'amplifyapp'...
2020-06-23T17:07:35.697Z [INFO]: Warning: Permanently added the RSA host key for IP address '13.229.188.59' to the list of known hosts.
2020-06-23T17:07:38.298Z [INFO]: # Switching to commit: 2d93cd9fca8f302a1390bce33985acccf97a8263
2020-06-23T17:07:38.388Z [INFO]: Note: checking out '2d93cd9fca8f302a1390bce33985acccf97a8263'.
                                 You are in 'detached HEAD' state. You can look around, make experimental
                                 changes and commit them, and you can discard any commits you make in this
                                 state without impacting any branches by performing another checkout.
                                 If you want to create a new branch to retain commits you create, you may
                                 do so (now or later) by using -b with the checkout command again. Example:
                                 git checkout -b <new-branch-name>
                                 HEAD is now at 2d93cd9 add auth
2020-06-23T17:07:38.389Z [INFO]: # Checking for Git submodules at: /codebuild/output/src043707224/src/amplifyapp/.gitmodules
2020-06-23T17:07:38.411Z [INFO]: # Retrieving cache...
2020-06-23T17:07:40.086Z [INFO]: # Extracting cache...
2020-06-23T17:07:43.479Z [INFO]: # Extraction completed
2020-06-23T17:07:43.604Z [INFO]: # Retrieving environment cache...
2020-06-23T17:07:43.642Z [INFO]: # Retrieved environment cache
2020-06-23T17:08:17.476Z [INFO]: ## Starting Frontend Build
                                 # Starting phase: preBuild
                                 # Executing command: yarn install
2020-06-23T17:08:18.203Z [INFO]: yarn install v1.16.0
2020-06-23T17:08:18.305Z [INFO]: [1/4] Resolving packages...
2020-06-23T17:08:18.838Z [INFO]: [2/4] Fetching packages...
2020-06-23T17:08:48.710Z [INFO]: info fsevents@2.1.2: The platform "linux" is incompatible with this module.
2020-06-23T17:08:48.712Z [INFO]: info "fsevents@2.1.2" is an optional dependency and failed compatibility check. Excluding it from installation.
2020-06-23T17:08:48.719Z [INFO]: info fsevents@1.2.13: The platform "linux" is incompatible with this module.
2020-06-23T17:08:48.723Z [INFO]: info "fsevents@1.2.13" is an optional dependency and failed compatibility check. Excluding it from installation.
                                 info fsevents@2.1.3: The platform "linux" is incompatible with this module.
                                 info "fsevents@2.1.3" is an optional dependency and failed compatibility check. Excluding it from installation.
2020-06-23T17:08:48.728Z [INFO]: [3/4] Linking dependencies...
2020-06-23T17:08:48.732Z [WARNING]: warning "@aws-amplify/ui-react > @aws-amplify/ui-components@0.5.2" has unmet peer dependency "@aws-amplify/auth@^2.1.5".
                                    warning "@aws-amplify/ui-react > @aws-amplify/ui-components@0.5.2" has unmet peer dependency "@aws-amplify/core@^2.2.4".
                                    warning "@aws-amplify/ui-react > @aws-amplify/ui-components@0.5.2" has unmet peer dependency "@aws-amplify/xr@^1.1.5".
                                    warning " > @testing-library/user-event@7.2.1" has unmet peer dependency "@testing-library/dom@>=5".
2020-06-23T17:08:48.734Z [WARNING]: warning "aws-amplify > @aws-amplify/api@3.1.17" has incorrect peer dependency "@aws-amplify/pubsub@^2.1.1".
                                    warning "aws-amplify > @aws-amplify/datastore@2.2.4" has unmet peer dependency "@react-native-community/netinfo@^5.5.0".
                                    warning "aws-amplify > @aws-amplify/api > @aws-amplify/api-graphql@1.1.0" has incorrect peer dependency "@aws-amplify/pubsub@^2.1.1".
2020-06-23T17:08:48.736Z [WARNING]: warning "react-scripts > @typescript-eslint/eslint-plugin > tsutils@3.17.1" has unmet peer dependency "typescript@>=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta".
2020-06-23T17:08:56.100Z [INFO]: [4/4] Building fresh packages...
2020-06-23T17:08:57.025Z [INFO]: Done in 38.83s.
2020-06-23T17:08:57.047Z [INFO]: # Completed phase: preBuild
                                 # Starting phase: build
                                 # Executing command: yarn run build
2020-06-23T17:08:57.210Z [INFO]: yarn run v1.16.0
2020-06-23T17:08:57.237Z [INFO]: $ react-scripts build
2020-06-23T17:08:58.125Z [INFO]: Creating an optimized production build...
2020-06-23T17:08:59.577Z [INFO]: Failed to compile.
2020-06-23T17:08:59.579Z [INFO]: ./src/index.js
                                 Cannot find file './aws-exports' in './src'.
2020-06-23T17:08:59.596Z [WARNING]: error Command failed with exit code 1.
2020-06-23T17:08:59.597Z [INFO]: info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
2020-06-23T17:08:59.602Z [ERROR]: !!! Build failed
2020-06-23T17:08:59.677Z [ERROR]: !!! Non-Zero Exit Code detected
2020-06-23T17:08:59.677Z [INFO]: # Starting environment caching...
2020-06-23T17:08:59.678Z [INFO]: # Environment caching completed
Terminating logging...

Answer 1

创建服务角色和更改CLI版本对我很有效。如果你做了一个而不做另一个，你将不会解决这个问题。因此，创建服务角色并将高级设置中的CLi版本更新为最新。这会像魔术一样有效。

Answer 2

出于安全原因，在amplify项目中，默认情况下将aws-exports.js添加到git ignore。此文件是在运行amplify push命令时生成的。

backend:
  phases:
    # IMPORTANT - Please verify your build commands
    build:
      commands:
        - '# Execute Amplify CLI with the helper script'
        - amplifyPush --simple

确保您的构建设置-> amplify.yml文件中有amplifyPush --simple，以便在增强构建中生成aws-exports