template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  Go Path Router
  
  This project allows you to setup custom domains for your golang packages without paying for infrasture, or paying a minimal amount.

Globals:
  Function:
    Timeout: 5

Parameters:

  DomainName:
    Type: String

  HostedZoneName:
    Type: String

  CertificateArn:
    Type: String
  
  CodePath:
    Type: String

  HostedZoneId:
    Type: String
    Default: Z2FDTNDATAQYW2

Resources:

  RouterFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: go-path-router/
      Handler: go-path-router
      Runtime: go1.x
      Events:
        Root:
          Type: Api
          Properties:
            Path: /
            Method: ANY
        CatchAll:
          Type: Api
          Properties:
            Path: /{all+}
            Method: ANY
      Environment:
        Variables:
          DOMAIN: !Ref DomainName
          CODEPATH: !Ref CodePath 

  APIDomainName:
    Type: AWS::ApiGateway::DomainName
    Properties:
      CertificateArn: !Ref CertificateArn
      DomainName: !Ref DomainName

  APIBasePathMapping:
    Type: AWS::ApiGateway::BasePathMapping
    Properties:
      DomainName: !Ref APIDomainName
      RestApiId: !Ref ServerlessRestApi
      Stage: Prod

  APIDomain:
    Type: AWS::Route53::RecordSetGroup
    Properties:
      HostedZoneName: !Ref HostedZoneName
      RecordSets:
      - Name: !Sub ${DomainName}.
        Type: A
        AliasTarget:
          DNSName: !GetAtt APIDomainName.DistributionDomainName
          HostedZoneId: Z2FDTNDATAQYW2 # static ID for CloudFront aliases


Outputs:

  RouterAPI:
    Description: "Go Path Router API"
    Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/"

  RouterFunction:
    Description: "Go Path Router ARN"
    Value: !GetAtt RouterFunction.Arn

  RouterIamRole:
    Description: "Implicit IAM Role created for Go Path Router Function"
    Value: !GetAtt RouterFunction.Arn