Recently, I wanted to order a new business card for myself and while Googling I came across dozens of startups that produce digital business cards....
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Looks interesting to try.
Is it possible to just create the vcard file and statically host it from s3 and/or Cloudfront? Does it need to be generated by a lambda on the fly?
Sure, that's also an option, but you'll need to create a vCard file with your base64-encoded photo in it and set up CloudFront since you'll need HTTPS. This script will do it all for you. Plus, if some of your information changes, all you have to do is change the affected field and don't worry about CloudFront caches.