Hello World hosted on Relays: https://nostr-webserver-3c29f7957ffe.herokuapp.com/e/1efc13c6ffbaf60c0347baf89f6ecaad22f74abf82165fcdb55ef7e8cca8a597
Nostryfied hosted on Relays https://nostr-webserver-3c29f7957ffe.herokuapp.com/e/7b8a47b1c97b449e842bc0186e89102874ea801b041c822fdecac50f2f3d91b2

My server's code: https://github.com/vitorpamplona/nostr-web-server that simply exposes the .content data of images (kind 1065 and 1064), css (kind 5393), javascript (kind 5394) and html (kind 5392) events.