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serverless.yml
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serverless.yml
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# https://sls.zone/pages/run/hosting-for-a-serverless-project-on-s3/
service: frontend
provider:
name: aws
runtime: nodejs14.x
region: ${opt:region, 'us-east-1'}
stage: ${opt:stage, 'dev'}
deploymentBucket:
name: sls-frontend-${self:provider.stage}-${self:provider.region}
plugins:
- serverless-s3-sync
- serverless-stack-termination-protection
custom:
serverlessTerminationProtection:
stages:
- prod
domainName: ${ssm:/${self:provider.stage}/${self:service}/domain_name}
bucketName: ${self:custom.domainName}
s3Sync:
- bucketName: ${self:custom.bucketName}
localDir: dist
params:
- index.html:
CacheControl: 'no-cache, max-age=30'
# The "Resources" your "Functions" use. Raw AWS CloudFormation goes in here.
resources:
Resources:
WebAppCloudFrontOriginAccessIdentity:
Type: AWS::CloudFront::CloudFrontOriginAccessIdentity
Properties:
CloudFrontOriginAccessIdentityConfig:
Comment: ${self:service}-${self:provider.stage}
WebAppBucket:
Type: AWS::S3::Bucket
DeletionPolicy: Retain
Properties:
BucketName: ${self:custom.bucketName}
AccessControl: PublicRead
WebsiteConfiguration:
IndexDocument: index.html
ErrorDocument: index.html
WebAppBucketPolicy:
Type: AWS::S3::BucketPolicy
DependsOn:
- WebAppCloudFrontOriginAccessIdentity
Properties:
Bucket:
Ref: WebAppBucket
PolicyDocument:
# https://docs.aws.amazon.com/AmazonS3/latest/userguide/access-policy-language-overview.html
Statement:
- Sid: CanonicalUserReadGetObject
Effect: Allow
Principal:
CanonicalUser:
# https://docs.aws.amazon.com/ko_kr/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-getatt.html
# https://awscli.amazonaws.com/v2/documentation/api/latest/reference/cloudfront/get-cloud-front-origin-access-identity.html
Fn::GetAtt:
[WebAppCloudFrontOriginAccessIdentity, S3CanonicalUserId]
Action:
- s3:GetObject
# https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-arn-format.html
# https://yonghyuc.wordpress.com/2021/01/20/fnjoin/
Resource:
Fn::Join:
- ''
- - 'arn:aws:s3:::'
- Ref: WebAppBucket
- '/*'
WebAppCloudFrontCachePolicy:
Type: AWS::CloudFront::CachePolicy
Properties:
CachePolicyConfig:
MinTTL: 1
MaxTTL: 31536000
DefaultTTL: 86400
Name: CachingOptimized
ParametersInCacheKeyAndForwardedToOrigin:
CookiesConfig:
CookieBehavior: none
EnableAcceptEncodingBrotli: true
EnableAcceptEncodingGzip: true
HeadersConfig:
HeaderBehavior: none
QueryStringsConfig:
QueryStringBehavior: none
WebAppCloudFrontDistribution:
Type: AWS::CloudFront::Distribution
DependsOn: WebAppBucketPolicy
Properties:
DistributionConfig:
CustomErrorResponses:
- ErrorCode: 404
ResponseCode: 200
ResponsePagePath: /index.html
DefaultCacheBehavior:
AllowedMethods:
- GET
- HEAD
Compress: true
TargetOriginId: ${self:service}
CachePolicyId:
Ref: WebAppCloudFrontCachePolicy
ViewerProtocolPolicy: redirect-to-https
# https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cloudfront-distribution-viewercertificate.html#cfn-cloudfront-distribution-viewercertificate-acmcertificatearn
ViewerCertificate:
AcmCertificateArn: ${ssm:/${self:provider.stage}/${self:service}/acm_certificate_arn}
SslSupportMethod: sni-only
DefaultRootObject: index.html
Aliases:
- ${self:custom.domainName}
Enabled: true
HttpVersion: http2
Logging:
IncludeCookies: false
Bucket: ${self:custom.bucketName}.s3.amazonaws.com
Prefix: cf-logs
Origins:
- DomainName: ${self:custom.bucketName}.s3.amazonaws.com
Id: ${self:service}
OriginShield:
Enabled: true
OriginShieldRegion: ap-northeast-2
S3OriginConfig:
# https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cloudfront-distribution-s3originconfig.html#cfn-cloudfront-distribution-s3originconfig-originaccessidentity
OriginAccessIdentity:
Fn::Join:
- ''
- - 'origin-access-identity/cloudfront/'
- Ref: WebAppCloudFrontOriginAccessIdentity
# The "Outputs" that your AWS CloudFormation Stack should produce. This allows references between services.
Outputs:
WebAppBucket:
Value:
Ref: WebAppBucket
WebAppCloudFrontDistributionDomainName:
Value:
Fn::GetAtt: [WebAppCloudFrontDistribution, DomainName]