Nov 9
2026
Wasmtime 48 Denies Sockets by Default: What Breaks and Fixes
Wasmtime 48 denies TCP/UDP sockets by default. See what breaks, how to restore it on the CLI, and how to opt in when embedding Wasmtime.
5 min read
Rust
Rust is a systems programming language that focuses on safety, speed, and concurrency. I've been using Rust extensively for WebAssembly development and systems programming. These posts document my Rust learning journey, from basic concepts to advanced patterns, with a focus on practical applications.
Articles
Nov 5
2026
Secrets in Spin with the OpenBao Variable Provider
Keep secrets out of spin.toml: run OpenBao in Docker and read secrets from a Rust Spin app with the OpenBao variable provider introduced in Spin 4.2.
5 min read
Oct 13
2026
Out Now: Building Serverless Applications with WebAssembly & Spin
The first version of Building Serverless Applications with WebAssembly & Spin is officially released on Leanpub! Grab your copy, check out what's inside, and learn about the upcoming print edition.
3 min read
Aug 25
2023
A comprehensive guide on authoring plugins for Fermyon Spin
Learn and understand how you can build plugins for Fermyon Spin by exploring the check-for-update plugin.
11 min read
Aug 3
2023
Weekly Rust Trivia: How to use pattern matching
Weekly Rust Trivia 🦀: This week, we will look at pattern matching in Rust.
6 min read
Jul 27
2023
Weekly Rust Trivia: How to share state between threads
Weekly Rust Trivia 🦀: This week, we explore how to share state between multiple threads.
2 min read
Jul 20
2023
Weekly Rust Trivia: How to write a function-like macro
Weekly Rust Trivia 🦀: This week, we learn how to create a simple function-like macro in Rust.
2 min read
Jul 13
2023
Weekly Rust Trivia: How to write an HTTP API with Actix
Weekly Rust Trivia 🦀: This week, we learn how to build a simple HTTP API using the popular Actix crate.
2 min read
Jul 6
2023
Weekly Rust Trivia: How to Implement the Builder Pattern
Weekly Rust Trivia 🦀: This week, we learn how to implement the builder pattern for creating new instances of a custom struct
2 min read
Jun 29
2023
Weekly Rust Trivia: How to Implement a Generic Stack
Weekly Rust Trivia 🦀: This week, we learn how to implement a generic stack in Rust leveraging the Rust standard library.
2 min read
Jun 22
2023
Weekly Rust Trivia: How to Retrieve Image Dimensions
Weekly Rust Trivia 🦀: This week, we learn how to retrieve the dimensions of an image (either PNG or JPEG) in Rust using the image crate
2 min read
Jun 15
2023
Weekly Rust Trivia: How to create a TCP Server
Weekly Rust Trivia 🦀: This week, we take a look at building a simple TCP-Echo Server
3 min read
Jun 8
2023
Weekly Rust Trivia: How to Implement Binary Search
Weekly Rust Trivia 🦀: This week, we learn how to implement a binary search in combination with generics and pattern matching only leveraging the Rust standard library
2 min read
Jun 1
2023
Weekly Rust Trivia: How to Read a CSV File
Weekly Rust Trivia 🦀: This week, we learn how to read different CSV files in Rust using the csv crate
3 min read
May 26
2023
How to use Azure Cosmos DB as a key-value store for Fermyon Spin
Fermyon Spin now supports using Azure Cosmos DB as key-value store for your Spin apps. This article explains how to get it up and running in no time!
7 min read