Add a cache control header to a CloudFront Functions viewer response event - AWS SDK Code Examples

There are more AWS SDK examples available in the AWS Doc SDK Examples GitHub repo.

Add a cache control header to a CloudFront Functions viewer response event

The following code example shows how to add a cache control header to a CloudFront Functions viewer response event.

JavaScript
JavaScript runtime 2.0 for CloudFront Functions
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the CloudFront Functions examples repository. 

async function handler(event) {
    var response = event.response;
    var headers = response.headers;
    
    if (response.statusCode >= 200 && response.statusCode < 400) {
        // Set the cache-control header
        headers['cache-control'] = {value: 'public, max-age=63072000'};
    }
        
    // Return response to viewers
    return response;
}