template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Web GSM gateway

Globals:
  Function:
    Timeout: 10

Resources:
  HttpApi:
    Type: AWS::Serverless::HttpApi
    Properties:
      Domain:
        CertificateArn: "arn:aws:acm:us-east-1:123456789012:certificate/create-and-put-arn-here"
        DomainName: my.example.com
      StageName: "$default"
      DefaultRouteSettings:
        ThrottlingRateLimit: 0.1
        ThrottlingBurstLimit: 1
      FailOnWarnings: true

  OpenFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: open_barrier/
      Handler: app.lambda_handler
      Runtime: python3.8
      Policies:
        - AWSLambdaExecute # Managed Policy
        - Version: '2012-10-17' # Policy Document
          Statement:
            - Effect: Allow
              Action:
                - dynamodb:GetItem
              Resource: !GetAtt DynamoDBTable.Arn
      Environment:
        Variables:
          TABLE_NAME: !Ref DynamoDBTable
          TWILIO_ACCOUNT_SID: AAAAAAAABBBBBBBBB
          TWILIO_AUTH_TOKEN: xxxxxxxxxxxyyyyyyyyyyyyyyyyyyyy
          BARRIER_GSM_NUMBER: +555123456768
          TELEGRAM_BOT_CREDENTIALS: 123456789:xxxxxxxxxxxxyyyyyyyyyyyyyy
      Events:
        Open:
          Type: HttpApi
          Properties:
            Path: /open
            Method: get
            ApiId: !Ref HttpApi
        OpenNamed:
          Type: HttpApi
          Properties:
            Path: /open/{name}
            Method: get
            ApiId: !Ref HttpApi

  DynamoDBTable:
    Type: 'AWS::DynamoDB::Table'
    Properties:
      BillingMode: PAY_PER_REQUEST
      AttributeDefinitions:
        - AttributeName: id
          AttributeType: S
      KeySchema:
        - KeyType: HASH
          AttributeName: id