template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: 'Smalruby Infrastructure - API Gateway and Lambda functions for CORS proxy and Scratch API proxy'

Globals:
  Function:
    Timeout: 10
    MemorySize: 128
    Architectures:
      - arm64

Parameters:
  Stage:
    Type: String
    Default: prod
    Description: Deployment stage
  DomainName:
    Type: String
    Default: api.smalruby.app
    Description: Custom domain name for API Gateway

Resources:
  # Lambda Functions
  SmalrubyCorsProxyFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: smalruby-cors-proxy
      Runtime: ruby3.3
      Handler: lambda_function.lambda_handler
      CodeUri: lambda/smalruby-cors-proxy/
      Description: General-purpose CORS proxy for Smalruby
      MemorySize: 512
      Events:
        CorsProxyGet:
          Type: Api
          Properties:
            RestApiId: !Ref SmalrubyApiGateway
            Path: /cors-proxy
            Method: GET

  SmalrubyMeshZoneGetFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: smalruby-mesh-zone-get
      Runtime: ruby3.3
      Handler: lambda_function.lambda_handler
      CodeUri: lambda/smalruby-mesh-zone-get/
      Description: Generate identity from gateway IPv4 address for Smalruby Mesh
      Events:
        MeshDomainGet:
          Type: Api
          Properties:
            RestApiId: !Ref SmalrubyApiGateway
            Path: /mesh-domain
            Method: GET

  SmalrubyTranslateProxyFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: smalruby-scratch-api-proxy-translate
      Runtime: ruby3.3
      Handler: lambda_function.lambda_handler
      CodeUri: lambda/smalruby-scratch-api-proxy-translate/
      Description: Scratch API proxy for translate endpoint
      Events:
        TranslateGet:
          Type: Api
          Properties:
            RestApiId: !Ref SmalrubyApiGateway
            Path: /scratch-api-proxy/translate
            Method: GET

  SmalrubyGetProjectInfoFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: smalruby-scratch-api-proxy-get-project-info
      Runtime: ruby3.3
      Handler: lambda_function.lambda_handler
      CodeUri: lambda/smalruby-scratch-api-proxy-get-project-info/
      Description: Scratch API proxy for project info endpoint
      Events:
        ProjectInfoGet:
          Type: Api
          Properties:
            RestApiId: !Ref SmalrubyApiGateway
            Path: /scratch-api-proxy/projects/{projectId}
            Method: GET

  CorsForSmalrubyFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: cors-for-smalruby
      Runtime: ruby3.3
      Handler: lambda_function.lambda_handler
      CodeUri: lambda/cors-for-smalruby/
      Description: CORS handler for Smalruby
      Events:
        CorsProxyOptions:
          Type: Api
          Properties:
            RestApiId: !Ref SmalrubyApiGateway
            Path: /cors-proxy
            Method: OPTIONS
        MeshDomainOptions:
          Type: Api
          Properties:
            RestApiId: !Ref SmalrubyApiGateway
            Path: /mesh-domain
            Method: OPTIONS
        TranslateOptions:
          Type: Api
          Properties:
            RestApiId: !Ref SmalrubyApiGateway
            Path: /scratch-api-proxy/translate
            Method: OPTIONS
        ProjectInfoOptions:
          Type: Api
          Properties:
            RestApiId: !Ref SmalrubyApiGateway
            Path: /scratch-api-proxy/projects/{projectId}
            Method: OPTIONS

  # API Gateway
  SmalrubyApiGateway:
    Type: AWS::Serverless::Api
    Properties:
      Name: Smalruby Mesh Zone
      Description: Generate identity from the gateway IPv4 address for Smalruby Mesh
      StageName: !Ref Stage
      EndpointConfiguration:
        Type: REGIONAL
      BinaryMediaTypes:
        - "*/*"
      Cors:
        AllowMethods: "'GET,POST,OPTIONS'"
        AllowHeaders: "'Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token'"
        AllowOrigin: "'*'"
        MaxAge: "'600'"

Outputs:
  ApiUrl:
    Description: "API Gateway endpoint URL"
    Value: !Sub "https://${SmalrubyApiGateway}.execute-api.${AWS::Region}.amazonaws.com/${Stage}/"
    Export:
      Name: !Sub "${AWS::StackName}-ApiUrl"

  ApiGatewayId:
    Description: "API Gateway ID"
    Value: !Ref SmalrubyApiGateway
    Export:
      Name: !Sub "${AWS::StackName}-ApiGatewayId"

  CorsProxyFunctionArn:
    Description: "CORS Proxy Lambda Function ARN"
    Value: !GetAtt SmalrubyCorsProxyFunction.Arn
    Export:
      Name: !Sub "${AWS::StackName}-CorsProxyFunctionArn"

  MeshZoneGetFunctionArn:
    Description: "Mesh Zone Get Lambda Function ARN"
    Value: !GetAtt SmalrubyMeshZoneGetFunction.Arn
    Export:
      Name: !Sub "${AWS::StackName}-MeshZoneGetFunctionArn"