Created
September 23, 2018 22:20
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Example use of the Serverless transform's AutoPublishAlias feature in a CloudFormation stack of a CloudFront distribution with a custom Lambda handler
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| Transform: AWS::Serverless-2016-10-31 | |
| Resources: | |
| CDN: | |
| Type: AWS::CloudFront::Distribution | |
| Properties: | |
| DistributionConfig: | |
| # . . . | |
| DefaultCacheBehavior: | |
| # . . . | |
| LambdaFunctionAssociations: | |
| - # . . . | |
| LambdaFunctionARN: !Ref Handler.Version # via AutoPublishAlias | |
| Handler: | |
| Type: AWS::Serverless::Function # avails AutoPublishAlias (and CodeUri) | |
| Properties: | |
| CodeUri: handler-function | |
| Handler: index.handler | |
| Role: !GetAtt [HandlerRole, Arn] # no edgelambda in SAM-created assume | |
| # role policy, so must do it manually | |
| Runtime: nodejs8.10 | |
| Timeout: 1 | |
| AutoPublishAlias: Live # creates new published version on every change | |
| HandlerRole: | |
| Type: AWS::IAM::Role | |
| Properties: | |
| AssumeRolePolicyDocument: | |
| Statement: | |
| - Effect: Allow | |
| Principal: | |
| Service: [lambda.amazonaws.com, edgelambda.amazonaws.com] | |
| Action: sts:AssumeRole | |
| ManagedPolicyArns: # permission for writing to CloudWatch Logs | |
| - arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole |
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