Fly.io Engineering Blog & Tech Articles
Global application platform enabling developers to deploy and scale applications with edge computing capabilities
196 engineering articles, tutorials, and technical insights from Fly.io's engineering team
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This article by Ben Johnson explains two major new features added to Litestream's Virtual File System (VFS): writable mode and background hydration.
This article explains the design and implementation of Sprites, Fly. io's new product offering instant-creation Linux VMs with 100GB durable storage backed by object storage.
Fly. io introduces 'Sprites' — durable, persistent cloud computers designed as an alternative to ephemeral sandboxes for AI coding agents.
Litestream VFS is a new SQLite plugin that enables querying databases directly from S3-compatible object storage without downloading the entire database.
Thomas Ptacek argues that every developer should build an LLM agent to truly understand the technology, demonstrating through progressive Python code examples that a functional agent with tool use ...
The article discusses a phishing incident involving Fly. io's CEO, Kurt Mackey, detailing how the attack was executed and the lessons learned from it.
Thomas Ptacek
7 min read
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The article discusses MorphLLM, an innovative solution for AI agent builders that addresses the inefficiencies of traditional code editing methods.
Daniel Botha
4 min read
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The article discusses trust calibration, a crucial concept for AI software builders that involves aligning user trust with product capabilities.
Daniel Botha
10 min read
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The article discusses the innovative approach of using games as a method for evaluating AI models, specifically through the deployment of AI Town on Fly. io.
Daniel Botha
4 min read
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The article discusses the limitations of model agnosticism in AI projects, emphasizing that understanding and specializing in a specific model is more beneficial than trying to maintain flexibility...
Daniel Botha
5 min read
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Phoenix. new is a fully-online coding agent designed for Elixir and Phoenix, enabling rapid development of collaborative, real-time applications.
MCP servers, part of the Model Context Protocol, provide a standardized way to connect AI models to various data sources and tools, akin to a USB-C port for AI applications.
Sam Ruby
7 min read
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The article discusses the skepticism surrounding AI-assisted programming, particularly focusing on the capabilities of Large Language Models (LLMs) in software development.
The article discusses the deployment of Kamal 2. 0 in production environments, highlighting the challenges faced and the solutions available for effective software deployment.
The article discusses a complex concurrency bug encountered in Fly. io's Anycast router, implemented in Rust.
Litestream is an open-source tool designed to enhance the reliability of SQLite applications by enabling them to recover data from object storage.
The article discusses the launch of Model Context Protocol (MCP) servers on Fly. io, highlighting their utility, configuration, and security considerations.
The article discusses the use of Model Context Protocols (MCPs) for provisioning machines, highlighting their integration with tools for managing resources in applications.
The article discusses the implementation of a basic Model Context Protocol (MCP) server for the flyctl command-line tool, highlighting its utility in connecting large language models (LLMs) to vari...
Kurt Mackey
5 min read
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The article discusses the shift in user demographics on Fly. io's platform, highlighting how robots have become the primary drivers of growth.
Kurt Mackey
10 min read
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The article discusses the operationalization of Macaroon tokens at Fly. io, detailing their implementation, benefits, and challenges.
The article discusses a performance issue encountered with the Rust-based proxy service, fly-proxy, which is part of Fly. io's infrastructure.
The article discusses the challenges and realizations Fly. io faced while integrating GPU support into their cloud services.
The article features an exit interview with JP Phillips, a key member of the Fly. io engineering team, who reflects on his four years at the company.
The article discusses Fly. io's approach to blogging, emphasizing a shift away from highly curated content towards more spontaneous and frequent posts.
Thomas Ptacek
4 min read
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The article discusses the evolving capabilities of Semgrep, a semantics-aware code search tool, and its integration with AI-driven development agents like Cursor.
The article discusses the integration of VSCode with SSH for remote editing, particularly in the context of LLM-generated code.
Thomas Ptacek
3 min read
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The article discusses the integration of Livebook, FLAME, and the Nx stack to create AI GPU clusters that can be operated from a laptop.
The article discusses the concept of Accident Forgiveness in public cloud billing, emphasizing the financial risks associated with cloud services and how Fly.
Thomas Ptacek
8 min read
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Fly. io has announced a significant price reduction for their NVIDIA L40S GPUs, now available at $1. 25 per hour.
Kurt Mackey
6 min read
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The article discusses the complexities and solutions involved in migrating stateful applications on Fly.
The article discusses a secure method for accessing AWS resources without using access keys by leveraging OpenID Connect (OIDC) to establish trust between AWS and Fly. io.
The article discusses the development of an open-source AI image description service using large language models (LLMs) like LLaVA and tools such as Ollama and PocketBase.
The article discusses Fly. io's innovative approach to enhancing WireGuard's performance and scalability by implementing Just-In-Time (JIT) peer configuration.
The article discusses the beta release of Fly Kubernetes, a managed Kubernetes service that simplifies the deployment and management of Kubernetes workloads on Fly. io infrastructure.
Senyo Simpson, JP Phillips
7 min read
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The article discusses Tigris, a globally distributed object storage solution that enhances file handling for modern applications, addressing the limitations of traditional storage methods like AWS ...
Xe Iaso
8 min read
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Fly. io has announced the availability of GPU instances for everyone, enabling users to leverage powerful GPUs for applications like large language models, text transcription, and image generation.
Xe Iaso
2 min read
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The article discusses the concept of Event Driven Machines on Fly. io, highlighting how to efficiently utilize fast-booting VMs to process events in a serverless-like manner.
Chris Fidao
6 min read
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The article discusses how to delegate resource-intensive tasks to more powerful machines using Fly. io's infrastructure.
Annie Sexton
10 min read
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The article discusses the implementation of Macaroons, a flexible and user-editable security token system designed to enhance API security.
The article discusses Yoko Li's innovative work in AI, focusing on her projects like AI Town and AI Tamago, which utilize emergent behavior and large language models.
Xe Iaso
10 min read
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The article provides a comprehensive guide on deploying a Discord bot that generates images using AI, specifically leveraging Fly. io's GPU capabilities.
Kyle McLaren
13 min read
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The article discusses the benefits of using Alpine Linux as a base image for Docker containers, highlighting its smaller size and potential performance improvements.
Sam Ruby
6 min read
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Fly. io introduces Fly Kubernetes (FKS), a new implementation of Kubernetes that runs on its platform, allowing users to leverage Kubernetes tooling while benefiting from Fly. io's infrastructure.
Fly. io has announced the availability of GPUs, enabling users to perform AI workloads closer to their users at the edge. The article discusses the capabilities of Fly.
Xe Iaso
6 min read
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The article explores the nature and capabilities of Graphics Processing Units (GPUs), particularly in the context of AI/ML workloads.
Artificial IntelligenceCrystalGPTLarge Language ModelsMachine LearningMistralOllamaStable DiffusionWhisper
Xe Iaso
13 min read
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The article discusses how to scale large language models to zero using Ollama on Fly. io, emphasizing the benefits of self-hosting AI tools and the efficient use of GPU resources.
Xe Iaso
11 min read
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The article discusses the FLAME pattern, a new approach to serverless computing that allows developers to elastically scale applications without the complexities of traditional Function as a Servic...
Chris McCord
17 min read
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