resources.yml

Resources:
  S3BucketFrontEnd:
    Type: AWS::S3::Bucket
    Properties:
      AccessControl: PublicRead
  IamRoleApiGatewayS3:
    Type: AWS::IAM::Role
    Properties:
      RoleName: role-apig-s3-read
      Path: /
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - apigateway.amazonaws.com
            Action:
              - "sts:AssumeRole"
      Policies:
        - PolicyName: policy-apig-s3-read
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
              - Effect: Allow
                Action:
                  - "s3:get*"
                  - "s3:list*"
                Resource: "*"
  ApiGatewayResourceDefaultRoute:
      Type: AWS::ApiGateway::Resource
      Properties:
        ParentId:
          Fn::GetAtt:
            - ApiGatewayRestApi
            - RootResourceId
        PathPart: "{path+}"
        RestApiId:
          Ref: ApiGatewayRestApi
  ApiGatewayResourceAssets:
    Type: AWS::ApiGateway::Resource
    Properties:
      ParentId:
        Fn::GetAtt:
          - ApiGatewayRestApi
          - RootResourceId
      PathPart: assets
      RestApiId:
        Ref: ApiGatewayRestApi
  ApiGatewayResourceAssetsItem:
    Type: AWS::ApiGateway::Resource
    Properties:
      ParentId:
        Ref:
          ApiGatewayResourceAssets
      PathPart: "{item+}"
      RestApiId:
        Ref: ApiGatewayRestApi
  ApiGatewayMethodAssetsItemGet:
    Type: AWS::ApiGateway::Method
    Properties:
      AuthorizationType: NONE
      HttpMethod: GET
      RequestParameters:
        method.request.path.item: true
      MethodResponses:
        - StatusCode: 200
          ResponseParameters:
            method.response.header.Content-Type: true
            method.response.header.Content-Length: true
      Integration:
        Type: AWS
        IntegrationHttpMethod: GET
        Credentials:
          Fn::GetAtt:
            - IamRoleApiGatewayS3
            - Arn
        Uri:
          Fn::Join:
           - ""
           - - "arn:aws:apigateway:"
             - Ref: AWS::Region
             - ":s3:path/"
             - Ref: S3BucketFrontEnd
             - "/{object}"
        RequestParameters:
          integration.request.path.object: method.request.path.item
        IntegrationResponses:
          - StatusCode: 200
            ResponseParameters:
              method.response.header.Content-Type: "integration.response.header.Content-Type"
              method.response.header.Content-Length: "integration.response.header.Content-Length"
      ResourceId:
        Ref: ApiGatewayResourceAssetsItem
      RestApiId:
        Ref: ApiGatewayRestApi
  ApiGatewayMethodIndexGet:
    Type: AWS::ApiGateway::Method
    Properties:
      AuthorizationType: NONE
      HttpMethod: GET
      MethodResponses:
        - StatusCode: 200
          ResponseParameters:
            method.response.header.Content-Type: true
            method.response.header.Content-Length: true
      Integration:
        Type: AWS
        IntegrationHttpMethod: GET
        Credentials:
          Fn::GetAtt:
            - IamRoleApiGatewayS3
            - Arn
        Uri:
          Fn::Join:
           - ""
           - - "arn:aws:apigateway:"
             - Ref: AWS::Region
             - ":s3:path/"
             - Ref: S3BucketFrontEnd
             - "/index.html"
        IntegrationResponses:
          - StatusCode: 200
            ResponseParameters:
              method.response.header.Content-Type: "integration.response.header.Content-Type"
              method.response.header.Content-Length: "integration.response.header.Content-Length"
      ResourceId:
        Fn::GetAtt:
          - ApiGatewayRestApi
          - RootResourceId
      RestApiId:
        Ref: ApiGatewayRestApi
  ApiGatewayMethodDefaultRouteGet:
      Type: AWS::ApiGateway::Method
      Properties:
        AuthorizationType: NONE
        HttpMethod: GET
        MethodResponses:
          - StatusCode: 200
            ResponseParameters:
              method.response.header.Content-Type: true
              method.response.header.Content-Length: true
        Integration:
          Type: AWS
          IntegrationHttpMethod: GET
          Credentials:
            Fn::GetAtt:
              - IamRoleApiGatewayS3
              - Arn
          Uri:
            Fn::Join:
             - ""
             - - "arn:aws:apigateway:"
               - Ref: AWS::Region
               - ":s3:path/"
               - Ref: S3BucketFrontEnd
               - "/index.html"
          IntegrationResponses:
            - StatusCode: 200
              ResponseParameters:
                method.response.header.Content-Type: "integration.response.header.Content-Type"
                method.response.header.Content-Length: "integration.response.header.Content-Length"
        ResourceId:
          Ref: ApiGatewayResourceDefaultRoute
        RestApiId:
          Ref: ApiGatewayRestApi
Outputs:
  S3BucketFrontEndName:
    Value:
      Ref: S3BucketFrontEnd