serverless.yml

service: FediseerGUI

custom:
  CloudfrontHostedZone: Z2FDTNDATAQYW2
  Domain: ${env:DOMAIN_NAME}
  DomainZone: ${env:DOMAIN_ZONE}
  ServiceToken: !Join [':', ['arn:aws:lambda', !Ref AWS::Region, !Ref AWS::AccountId, 'function:AcmCustomResources-prod-customResources']]

provider:
  name: aws
  stage: ${opt:stage, 'prod'}
  region: ${opt:region, 'eu-central-1'}
  runtime: provided
  lambdaHashingVersion: '20201221'
  stackTags:
    BillingProject: FediseerGUI

package:
  exclude:
    - ./**

resources:
  Resources:
    # Certificates
    Certificate:
      Type: Custom::Certificate
      Properties:
        DomainName: ${self:custom.Domain}
        ValidationMethod: DNS
        Region: us-east-1
        ServiceToken: ${self:custom.ServiceToken}
    CertificateBlocker:
      Type: Custom::IssuedCertificate
      DependsOn:
        - DnsRecordsCertificateValidation
      Properties:
        CertificateArn: !Ref Certificate
        ServiceToken: ${self:custom.ServiceToken}
    CertificateDnsRecord:
      Type: Custom::CertificateDNSRecord
      Properties:
        CertificateArn: !Ref Certificate
        DomainName: ${self:custom.Domain}
        ServiceToken: ${self:custom.ServiceToken}
    DnsRecordsCertificateValidation:
      Type: AWS::Route53::RecordSetGroup
      Properties:
        HostedZoneId: ${self:custom.DomainZone}
        RecordSets:
          - Name: !GetAtt CertificateDnsRecord.Name
            Type: !GetAtt CertificateDnsRecord.Type
            TTL: 60
            Weight: 1
            SetIdentifier: !Ref Certificate
            ResourceRecords:
              - !GetAtt CertificateDnsRecord.Value

    # DNS
    DnsRecords:
      Type: AWS::Route53::RecordSetGroup
      Properties:
        HostedZoneId: ${self:custom.DomainZone}
        RecordSets:
          - AliasTarget:
              DNSName: !GetAtt WebsiteCDN.DomainName
              HostedZoneId: ${self:custom.CloudfrontHostedZone}
            Name: ${self:custom.Domain}
            Type: A

    # Hosting
    Website:
      Type: AWS::S3::Bucket
      Properties:
        CorsConfiguration:
          CorsRules:
            - AllowedHeaders: ["*"]
              AllowedMethods: [GET]
              AllowedOrigins: ["*"]
        PublicAccessBlockConfiguration:
          BlockPublicAcls: false
          BlockPublicPolicy: false
          IgnorePublicAcls: false
          RestrictPublicBuckets: false
    WebsiteBucketPolicy:
      Type: AWS::S3::BucketPolicy
      Properties:
        Bucket: !Ref Website
        PolicyDocument:
          Statement:
            - Effect: Allow
              Principal: '*' # everyone
              Action: 's3:GetObject' # to read
              Resource: !Join ['/', [!GetAtt Website.Arn, '*']] # things in the bucket

    # Webserver
    WebsiteCDN:
      Type: AWS::CloudFront::Distribution
      DependsOn:
        - CertificateBlocker
      Properties:
        DistributionConfig:
          Aliases:
            - ${self:custom.Domain}
          Enabled: true
          PriceClass: PriceClass_100
          HttpVersion: http2
          DefaultRootObject: index.html
          Origins:
            - Id: Website
              DomainName: !GetAtt Website.RegionalDomainName
              S3OriginConfig: {} # this key is required to tell CloudFront that this is an S3 origin, even though nothing is configured
          DefaultCacheBehavior:
            TargetOriginId: Website
            AllowedMethods: [GET, HEAD]
            ForwardedValues:
              QueryString: 'false'
              Cookies:
                Forward: none
            ViewerProtocolPolicy: redirect-to-https
            Compress: true
          CustomErrorResponses:
            - ErrorCode: 500
              ErrorCachingMinTTL: 0
            - ErrorCode: 504
              ErrorCachingMinTTL: 0
            - ErrorCode: 404
              ResponsePagePath: /index.html
              ErrorCachingMinTTL: 0
              ResponseCode: 200
            - ErrorCode: 403
              ResponsePagePath: /index.html
              ErrorCachingMinTTL: 0
              ResponseCode: 200
          ViewerCertificate:
            AcmCertificateArn: !Ref Certificate
            MinimumProtocolVersion: TLSv1.2_2019
            SslSupportMethod: sni-only

  Outputs:
    Bucket:
      Description: The name of the website bucket
      Value: !Ref Website
    Cdn:
      Description: The id of the CDN for website
      Value: !Ref WebsiteCDN
    Url:
      Description: The url of the deployed app
      Value: https://${self:custom.Domain}