sam.yml

AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Parameters:
  AppName:
    Type: String
    Default: demo-app
  Stage:
    Type: String
    Default: dev_local

Resources:
  ApiRole:
    Type: AWS::IAM::Role
    Properties:
      Path: 
        Fn::Sub: /${Stage}/${AppName}/serviceRoles/
      RoleName: 
        Fn::Sub: ${AppName}-api-execution-role-${Stage}
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - apigateway.amazonaws.com
            Action: sts:AssumeRole
      Policies:
        - PolicyName: 
            Fn::Sub: ${AppName}-api-execution-role-policy-${Stage}
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
              - Effect: Allow
                Action:
                  - lambda:InvokeFunction
                Resource:
                  - Fn::Sub: ${TestFunction.Arn}
                  - Fn::Sub: ${DocsFunction.Arn}
  Api:
    Type: AWS::Serverless::Api
    Properties:
      MethodSettings:
        - LoggingLevel: INFO
          ResourcePath: '/*' # allows for logging on any resource
          HttpMethod: '*' # allows for logging on any method
      AccessLogSetting: 
        Format: '{ "requestId":"$context.requestId", "ip": "$context.identity.sourceIp", "caller":"$context.identity.caller", "user":"$context.identity.user","requestTime":"$context.requestTime", "httpMethod":"$context.httpMethod","resourcePath":"$context.resourcePath", "status":"$context.status","protocol":"$context.protocol", "responseLength":"$context.responseLength" }'
      TracingEnabled: true
      Name:
        Fn::Sub: ${AppName}-api-${Stage}
      StageName: !Ref Stage 
      DefinitionBody:
        Fn::Transform:
          Name: AWS::Include
          Parameters:
            Location: swagger.yml
      Variables:
        Stage:
          Fn::Sub: ${Stage}
      Domain:
        CertificateArn: arn:aws:acm:us-east-2:01234567890:certificate/4a3152c3-29a5-4ab6-994c-2a53d5ba9942
        DomainName: www.serverless-swagger-demo.com
        Route53:
          DistributionDomainName: www.serverless-swagger-demo.com
          HostedZoneId: <your id here>

  TestFunction:
    Type: AWS::Serverless::Function
    Properties:
      Tracing: Active
      Runtime: nodejs12.x
      PackageType: Zip
      FunctionName:
        Fn::Sub: ${AppName}-test-func-${Stage}
      Description: Test Function
      CodeUri: ./
      Handler: index.handler
  DocsFunction:
    Type: AWS::Serverless::Function
    Properties:
      Tracing: Active
      Runtime: nodejs12.x
      PackageType: Zip
      FunctionName:
        Fn::Sub: ${AppName}-docs-func-${Stage}
      CodeUri: ./
      Handler: docs.handler
      Environment:
        Variables:
          stage: !Ref Stage