serverless .yml 环境变量问题

Question

我对这个有lambda表达式和迪纳摩DB锻炼无服务器的页面。

我在“添加创建注释 API”部分并且在测试 API 命令时遇到问题：

serverless invoke local --function create --path mocks/create-event.json

产生这个错误

Serverless: DOTENV: Loading environment variables from .env:
Serverless:      - tableName
Serverless: Bundling with Webpack...
error is : ResourceNotFoundException: Requested resource not found
    at Request.extractError (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/protocol/json.js:51:27)
    at Request.callListeners (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/sequential_executor.js:106:20)
    at Request.emit (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/sequential_executor.js:78:10)
    at Request.emit (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/request.js:683:14)
    at Request.transition (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/request.js:22:10)
    at AcceptorStateMachine.runTo (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/state_machine.js:14:12)
    at /Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/state_machine.js:26:10
    at Request.<anonymous> (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/request.js:38:9)
    at Request.<anonymous> (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/request.js:685:12)
    at Request.callListeners (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/sequential_executor.js:116:18)
    at Request.emit (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/sequential_executor.js:78:10)
    at Request.emit (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/request.js:683:14)
    at Request.transition (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/request.js:22:10)
    at AcceptorStateMachine.runTo (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/state_machine.js:14:12)
    at /Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/state_machine.js:26:10
    at Request.<anonymous> (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/request.js:38:9)
    at Request.<anonymous> (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/request.js:685:12)
    at Request.callListeners (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/sequential_executor.js:116:18)
    at callNextListener (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/sequential_executor.js:96:12)
    at IncomingMessage.onEnd (/Users/dannybyrne/notes-app-api/node_modules/aws-sdk/lib/event_listeners.js:307:13)
    at IncomingMessage.emit (events.js:215:7)
    at IncomingMessage.EventEmitter.emit (domain.js:476:20)
    at endReadableNT (_stream_readable.js:1183:12)
    at processTicksAndRejections (internal/process/task_queues.js:80:21) {
  message: 'Requested resource not found',
  code: 'ResourceNotFoundException',
  time: 2019-12-10T18:33:00.494Z,
  requestId: '4D2O3VOI437AE9MTH1M4UPGDUVVV4KQNSO5AEMVJF66Q9ASUAAJG',
  statusCode: 400,
  retryable: false,
  retryDelay: 28.999931507407407
}
{
    "statusCode": 500,
    "headers": {
        "Access-Control-Allow-Origin": "*",
        "Access-Control-Allow-Credentials": true
    },
    "body": "{\"status\":false}"
}

我已经编辑了 .env 文件

tableName='notes'

虽然在 .yml 文件中说

# These environment variables are made available to our functions
  # under process.env.
  environment:
    tableName: notes

我假设这意味着在 create.js 文件中，在 params 对象下

TableName: process.env.tableName,

在它说的说明“我们阅读使用环境变量我们DynamoDB表的名称process.env.tableName 。我们将在我们的可设置该serverless.yml下面，我们做到这一点，所以我们就不必硬编码在每个功能中。”

这是否意味着我不必在包含的 .env 文件中设置它？ 当我将此文件重命名为不包含在构建中时，它也会抛出一个错误要求它。 当我在 .env 中定义 tableName 并将其设置为 'notes' 时，如 .yml 文件中所定义并且是 dynamoDB 表的名称，它会引发上述错误。

我基本上是想弄清楚 .yml 从 .env 中拉出（或不）

Answer 1

是的，如果您在提供程序下定义变量，它将可用于所有功能。