文件列表:

handler.js (817, 2017-09-09)
package.json (317, 2017-09-09)
serverless.yml (354, 2017-09-09)

# Serverless Lambda chaining Serverless service which shows how one can chain Lambdas through SNS. The [configuration](https://serverless.com/framework/docs/providers/aws/events/sns/#sns) which triggers the chain mechanims is defined on [serverless.yml](/serverless.yml). ## Installation Make sure that you use Serverless v1. 1. Run `serverless install --url https://github.com/pmuens/serverless-lambda-chaining` to install the service in your current working directory 2. Next up cd into the service with `cd serverless-lambda-chaining` 3. Run `npm install` 4. Replace the `accountId` in the `handler.js` file with your AWS account id 5. Deploy with `serverless deploy` ## How to use 1. Run `serverless invoke --function firstLambda` to trigger the chaining process (this will publish a message to the SNS topic called `dispatcher` the `secondLambda` will listen to) 2. Run `serverless logs --function secondLambda` to see that the message which was send to the `dispatcher` topic successfully triggered the `secondLambda` function ## AWS services used - Lambda - SNS ## References https://serverless.com/framework/docs/providers/aws/events/sns/#sns

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