When using S3 to server web site content (both in conjunction with CloudFront and not) you will may want to set Cache Control headers for browsers or CloudFront to use.
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something $ aws s3api put-object --bucket mybucket --key index.html --cache-control max-age=3600 --body www-files/index.html { "ETag": "\"63525d1b04aeb5d301de2acc498480b3\"", "ServerSideEncryption": "AES256" } |