CORS error (Route53 + Cloudfront CNAME + S3)

• outline

CORS error is tricky and hard to solve completely.

• CORS configuration for S3

1. Permission

2. CORS

3. AllowedOrigins

• example

"AllowedOrigins": [
            "*"
        ],

• CORS configuration for CloudFront

1. Distributions

2. Behavior

3. Response headers policy

4. CORS-With-Preflight

Cloudfront Invalidations

• note

Wait several minites.

• reference

https://docs.aws.amazon.com/AmazonS3/latest/userguide/ManageCorsUsing.html https://docs.aws.amazon.com/ko_kr/AmazonCloudFront/latest/DeveloperGuide/using-managed-response-headers-policies.html