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Comment by wasd | Hacker News Reader

Fly is putting together a pretty great team and interesting tech stack. It's the service I see as a true disruptor to Heroku because it's doing something novel (not just cheaper).

I'm still a little murky on the tradeoffs with Fly (and litestream). @ben / @fly, you should write a tutorial on hosting a todo app using rails with litestream and any expected hurdles at different levels of scale (maybe comparing to Heroku).

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If only they could keep their website reachable, that would be the icing on the cake. Like every time I see them linked on HN, I click and cannot connect to their website.

Last time somebody from fly said they'd look into it, but alas. It was related to IPv6 on their end, was as far as I could tell.

We have been chasing this down for weeks and can't find the actual bug/workaround here. It's definitely IPv6 related, we think having something to do with weird MTUs. Are you using an IPv6 tunnel or connecting via a vpn by chance?

Nope.

Weird MTUs: DSL with PPPoE encapsulation, maybe? iirc they tend to use 1492 or 1452 rather than the usual 1500.

Wow that's a trip down memory lane!

It would be 1492 to allow for another 8 bytes of PPPoE overhead, there are some scenarios where 1508 byte frames might be floating around but I don't really know if anyone adopted that standard.

That is exactly what I have.

Disable ipv6 like everybody does.

Can we cut this shit out? It's 2022, IPv6 has worked fine for decades, and Google is seeing 40% IPv6 usage on their services:

https://pulse.internetsociety.org/blog/ipv6-deployment-passe...

Which are mostly bots scanning serp results to prevent rate limits.

If only IPv6 "just worked". It's better, but still not quite there.

I've been running IPv6 at home for a couple of years now after replacing my pfSense router with OpenWRT. It mostly works. Every now and then there's an issue and, guess what, disabling IPv6 makes things work again.

Latest one would be Android ignoring IPv4 DHCP DNS setting if Android device has a IPv6 address.

According to Fly's latest logbook post [1], they now have a workaround for this.

[1]: https://fly.io/blog/logbook-2022-05-13/

How does Vercel fit in? I am having a lot of pleasure using their free tier and would be happy to pay if needed. My only concern is the pricing model being 0/20/Call us. I think clear usage-based pricing plans going 0-infinity should be the norm.

Render is more of the successor IMO. Fly is a bit of a wildcard — they are bleeding edge, certainly, but they seem to shy away from focusing on implementation of some of the “boring” but extremely useful features present in most managed services (e.g., scaling volumes for Postgres)

We're not shying away from "boring" stuff at all. We just have a small team with bigger priorities that's spread too thin. There's a million things like resizable volumes we need to ship and we're aggressively hiring to get them done.

Are the job listings on your site the source of truth, or are there other listings out there? I’ve been keeping my eye out for a senior full stack role but no luck yet.

There's no one "successor to Heroku". The successor to Heroku is a collection of different companies that work well together. What's important is the Heroku idea of what an application is, as a developer-first prospect rather than an ops-first prospect like Kubernetes running on a cloud platform.

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