serverless.yml that includes JSON-REF for creating dynamo db tables

serverless.yml

service: lti
provider:
  name: aws
  runtime: nodejs4.3
  iamRoleStatements:
      -  Effect: "Allow"
         Action:
           - "dynamodb:Scan"
           - "dynamodb:Query"
           - "dynamodb:DescribeStream"
           - "dynamodb:GetRecords"
           - "dynamodb:GetShardIterator"
           - "dynamodb:ListStreams"
         Resource:
           Fn::Join:
             - ""
             - - "arn:aws:dynamodb:::"

stage: dev
region: us-east-1

# you can add packaging information here
#package:
#  include:
#    - include-me.js
#  exclude:
#    - exclude-me.js
#  artifact: my-service-code.zip

functions:
  lti:
    handler: handler.lti
    events:
      - http:
          path: "lti"
          method: get

#     - s3: ${bucket}
#     - schedule: rate(10 minutes)
#     - sns: greeter-topic

resources:
  Resources:
    $ref: "./dynamodb.json" // dynamodb.json - https://gist.github.com/jbasdf/2514c49d68338f0d6f3f15a7f97e5b98