proxys3.5.yml

    GatewayRole:
      Type: AWS::IAM::Role
      Properties: 
        AssumeRolePolicyDocument:
          Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Principal:
                Service:
                - apigateway.amazonaws.com
              Action:
                - 'sts:AssumeRole'
        Description: Gives swagger api endpoints access to S3
        ManagedPolicyArns: 
          - arn:aws:iam::aws:policy/AmazonS3ReadOnlyAccess
        RoleName: API-Gateway-S3-read-access-${opt:stage, 'dev'}
        Path: /