In the following examples https://falcoland-files-cdn.falco.dev is a CDN configured to serve the files under the bucket. The bucket name was set to falcoland-files in my examples.
Choose your provider from the list below and add these settings to the env section of your app.yml file, adjusting the values accordingly:
AWS S3
What we officially support and use internally. Their CDN offering Cloudfront also works to front the bucket files.