template.yaml

# template.yaml
AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Description: Serverless Meetings with Amazon Chime Demo
Globals:
  Function:
    Runtime: nodejs12.x
    Timeout: 30
    MemorySize: 128
Resources:
  # Create Chime Resources Access Policy
  ChimeMeetingsAccessPolicy:
    Type: AWS::IAM::Policy
    Properties:
      PolicyName: ChimeMeetingsAccess
      PolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: Allow
            Action:
              - 'chime:CreateMeeting'
              - 'chime:DeleteMeeting'
              - 'chime:GetMeeting'
              - 'chime:ListMeetings'
              - 'chime:BatchCreateAttendee'
              - 'chime:CreateAttendee'
              - 'chime:DeleteAttendee'
              - 'chime:GetAttendee'
              - 'chime:ListAttendees'
            Resource: '*'
      Roles:
        # Which roles will have this policy
        - Ref: MeetingJoinLambdaRole
        - Ref: MeetingEndLambdaRole
  MeetingIndexLambda:
    Type: 'AWS::Serverless::Function'
    Properties:
      Handler: handlers.index
      Events:
        Api1:
          Type: Api
          Properties:
            # since it is a static page, proxy+ will redirect all resources to that endpoint
            Path: /{proxy+}
            Method: GET
            Auth:
              # If you don't specify an empty authorizer, API Gateway requests an API Key by default
              Authorizer: null
  # Join function definition
  MeetingJoinLambda:
    Type: AWS::Serverless::Function
    Properties:
      Handler: handlers.join
      Events:
        Api1:
          Type: Api
          Properties:
            Path: /join
            Method: POST
  # End function definition
  MeetingEndLambda:
    Type: AWS::Serverless::Function
    Properties:
      Handler: handlers.end
      Events:
        Api1:
          Type: Api
          Properties:
            Path: /end
            Method: POST
Outputs:
  ApiURL:
    Description: "API endpoint URL for Prod environment"
    Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/"