1
My AI skeptic friends are all nuts
My smartest friends have bananas arguments about LLM coding.
Fly.io Blog
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Visit fly.io → On Hacker News Jun 2017 – Jul 2026
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2
I'm all-in on server-side SQLite
Ben Johnson has joined Fly.io
3
You should write an agent
They're like riding a bike: easy, and you don't get it until you try.
4
We were wrong about GPUs
Do my tears surprise you? Strong CEOs also cry.
5
Free Postgres databases for small projects
Announcing free Postgres storage on Fly.io.
6
How we got to LiveView
I'm Chris McCord. I work at Fly.io and created Phoenix, an Elixir web framework. Phoenix provides features out-of-the-box that are difficult in other languages and frameworks. This is a post about how we created LiveView, our flagship feature.
7
VSCode’s SSH agent is bananas
Documentation and guides from the team at Fly.io.
8
Docker without Docker
Our users deliver software to us as Docker containers, but we don’t use Docker to run them. We transmogrify container images into Firecracker micro-VMs. Here's how.
9
SQLite Internals: Pages and B-trees
Let's open a hex editor and see what this thing is made of
10
LiteFS
We are building a distributed file system for your SQLite databases. Kinda weird, huh?
11
We raised a bunch of money
Documentation and guides from the team at Fly.io.
12
Phoenix.new – Remote AI Runtime for Phoenix
Documentation and guides from the team at Fly.io.
13
Fly.io has GPUs now
Documentation and guides from the team at Fly.io.
14
SOC2: The screenshots will continue until security improves
We got SOC2 certified so now you have to pay us more.
15
Code and Let Live
How we learned to stop worrying and love writeable root filesystems.
16
JIT WireGuard
Our fancy WireGuard setup was accumulating stale peers. Here's what we did about it.
17
Our User-Mode WireGuard Year
For better or worse, flyctl isn't boring. Here's why.
18
Litestream: Revamped
Bringing in what we learned from LiteFS
19
Litestream v0.5.0
Same Litestream goodness but better, faster, stronger
20
The 5-Hour CDN
You can build a functional CDN on an 8-year-old laptop while you're sitting at a coffee shop. Here's what a CDN you put together in five hours might look like.
21
Rethinking serverless with FLAME
Imagine if you could auto scale simply by wrapping any existing app code in a function and have that block of code run in a temporary copy of your app
22
How the SQLite virtual machine works
Let's look at how SQLite parses, optimizes, and compiles every query that it receives.
23
API Tokens: A Tedious Survey
Documentation and guides from the team at Fly.io.
24
Litestream VFS
Query your SQLite database any time, anywhere
25
SSH and User-Mode IP WireGuard
Documentation and guides from the team at Fly.io.
26
Kurt Got Got
The night we spent without control of our Twitter account.
27
Building a Distributed Turn-Based Game System in Elixir
Running Elixir on Fly.io let me easily create a globally distributed, privately networked, clustered, multi-player game server! Here's how.
28
How SQLite Helps You Do ACID
Let's take a peek at how the rollback journal works.
29
MRSK vs. Fly.io
Comparison of MRSK and Fly.io
30
Rails on Docker
Rails 7.1 will include a Dockerfile to help ease production deployments