Retty インフラチームの幸田です。 6月に実施したマイクロサービス強化月間で公開した記事では、マイクロサービス環境を Terraform を利用して刷新した話を書きました。 engineer.retty.me この記事では前回と重複する箇所もありますが、Terraform の CI/CD にフォーカスした内容を書こうと思います。 CI を整備するにあたって意識したこと 「誰でも」かつ「安全に」利用できるように CI 上ですべての作業を完結させる Pull Request によるレビュー環境の整備 バージョンアップ作業の完全自動化 Terraform のディレクトリ構成について リポジトリの運用フロー Terraform によるリソースの追加、変更、削除 tfmigrate によるステートファイルの操作 CI で実行される job について Pull Request をオープンした時 P
Devin, Coding Agent (Github Copilot), Codex (OpenAI) やJules (Google)のような、バックグランド動作するコーディングエージェントが続々と発表されて、ついに先日のAnthropicのカンファレンスでClaude Codeでも同様のことが行えるようになりました！ Claude CodeのDevin型コーディングエージェントはGithubワークフロー上で動作するのですが、なんと実装のコードがなんと公開されているではありませんか！！ プロンプトやGithubのMCP設定等の実装も垣間見ることが出来ます！ AIエージェントを開発している身からすると常時稼働型エージェントを作りたいと考えており、バックグラウンド型のコーディングエージェントの動作はどうしても深ぼらねばと思っていた矢先に撒き餌が...！ それだけでなく、プロンプト設計自体の完
テクノロジー部門CTO室の笹田（ko1）と遠藤（mame）です。今年の 9 月から STORES 株式会社で Ruby (MRI: Matz Ruby Implementation、いわゆる ruby コマンド) の開発をしています（Rubyのこれからを STORES で作る。Rubyコミッター笹田さん、遠藤さんにCTOがきく「Fun」｜STORES People ）。お金をもらって Ruby を開発しているのでプロの Ruby コミッタです。 本日 12/25 に、恒例のクリスマスリリースとして、Ruby 3.3.0 がリリースされました（Ruby 3.3.0 リリース）。クックパッド開発者ブログで連載していたように、今年も STORES Product Blog にて Ruby 3.3 の NEWS.md ファイルの解説をします（ちなみに、STORES Advent Calendar
Tauri 2.0 Stable Release
We are very proud to finally announce the stable release for the new major version of Tauri. Welcome to Tauri 2.0! What is Tauri? In a Tauri application the frontend is written in your favorite web frontend stack. This runs inside the operating system WebView and communicates with the application core written mostly in Rust. When Should I Use Tauri? If you check any of the boxes below, you should
GitHub - modelcontextprotocol/servers: Model Context Protocol Servers
Official integrations are maintained by companies building production ready MCP servers for their platforms. 21st.dev Magic - Create crafted UI components inspired by the best 21st.dev design engineers. 2slides - An MCP server that provides tools to convert content into slides/PPT/presentation or generate slides/PPT/presentation with user intention. ActionKit by Paragon - Connect to 130+ SaaS inte
npm Trusted Publishingが2025年7月31日に一般公開されました。 これにより、OpenID Connect (OIDC)を使ってnpmトークンなしでCI/CDからnpmパッケージを公開できるようになりました。 npm trusted publishing with OIDC is generally available Trusted publishing for npm packages | npm Docs この記事では、npm Trusted Publishingの仕組みや設定方法、実際のリリースフローについて紹介します。 npm Trusted Publishingとは npm Trusted Publishingは、npmレジストリとCI/CD環境（GitHub ActionsやGitLab CI/CD）の間でOIDCベースの信頼関係を確立する仕組みです。
Progress on TypeScript 7 - December 2025 - TypeScript
Expected Differences from TypeScript 5.9 There are some caveats to using the new compiler that we want to call out. Many of these are point-in-time issues that we plan to resolve before the final 7.0 release, but some are driven more by long-term decisions to make the default TypeScript experience better. The promise of TypeScript 7.0 means that we will need to heavily shift our focus to the new c
Update 1.99.1: The update addresses these security issues. Update 1.99.2: The update addresses these issues. Update 1.99.3: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the March 2025 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highligh
Amplify Hostingのプレビュー環境をGitHub Actionsでデプロイする - ROUTE06 Tech Blog
こんにちは、ROUTE06でソフトウェアエンジニアをしている @MH4GF です。 Amplify Hosting を利用してホスティングしている Web アプリケーションで、プレビュー環境を GitHub Actions でデプロイする方法を紹介します。 背景 Amplify Hosting では、実はプルリクエストベースのプレビューを機能として提供しています。 docs.aws.amazon.com プルリクエストの作成と同時に環境にアクセスする URL が払い出され、Gitのコミットのプッシュと同時に再ビルドし、プルリクエストのマージと共に環境を削除します。 ビルドの進捗状況もプルリクエストの Checks として確認できるため、概ね期待する機能は揃っています。 ただ、運用する上でどうしても気になる点がありました。 モノレポで構築されているリポジトリで、ビルドの発火するディレクトリパ
NotGitBleed - TL;DR
NotGitBleed - TL;DR Due to configuration errors or human error, significant numbers of people may have accidentally checked GitHub credentials into GitHub commits as metadata, most commonly a username as the author name and a password in the email address field. We estimate in the region of 50,000 to 100,0001 user credentials may have been affected covering a wide range of organisations including
Update 1.80.1: The update addresses these issues. Update 1.80.2: The update addresses this security issue. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the June 2023 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Accessibility improvements - Accessible V
Version 1.108 is now available! Read about the new features and fixes from December. Release date: May 8, 2025 Update: Enable Next Edit Suggestions (NES) by default in VS Code Stable (more...). Update 1.100.1: The update addresses these security issues. Update 1.100.2: The update addresses these issues. Update 1.100.3: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Univers
Update 1.97.1: The update addresses these security issues. Update 1.97.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the January 2025 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Next Edit Suggestions (preview) - Co
Update 1.86.2: The update addresses these issues. Update 1.86.1: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the January 2024 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Per-window zoom levels - Adjust the zoom leve
Tier 4 Support § Support for these targets is entirely experimental. If this target is provided by LLVM, LLVM may have the target as an experimental target, which means that you need to use Zig-provided binaries for the target to be available, or build LLVM from source with special configure flags. zig targets will display the target if it is available. This target may be considered deprecated by
In Praise of dhh
In Praise of dhh November 8, 2025 | #tech #politics A reflection on Ruby’s past, present, and future. This is a long essay. I strongly recommend you read it from the beginning, but to help navigate it I have created this table of contents. Prologue The Past How I Learned To Love Ruby A Breath Of Fresh Air A Shared Worldview The Present Tragedy Strikes Recent Conflict In The Community Strength and
Local-first software: You own your data, in spite of the cloud
Cloud apps like Google Docs and Trello are popular because they enable real-time collaboration with colleagues, and they make it easy for us to access our work from all of our devices. However, by centralizing data storage on servers, cloud apps also take away ownership and agency from users. If a service shuts down, the software stops functioning, and data created with that software is lost. In t
What I learned building an opinionated and minimal coding agent
What I learned building an opinionated and minimal coding agent 2025-11-30 It's not much, but it's mine Table of contents In the past three years, I've been using LLMs for assisted coding. If you read this, you probably went through the same evolution: from copying and pasting code into ChatGPT, to Copilot auto-completions (which never worked for me), to Cursor, and finally the new breed of coding
What I learned building an opinionated and minimal coding agent
What I learned building an opinionated and minimal coding agent 2025-11-30 It's not much, but it's mine Table of contents In the past three years, I've been using LLMs for assisted coding. If you read this, you probably went through the same evolution: from copying and pasting code into ChatGPT, to Copilot auto-completions (which never worked for me), to Cursor, and finally the new breed of coding
Release date: November 12, 2025 Update 1.106.1: The update addresses these issues Update 1.106.2: The update addresses these issues Update 1.106.3: The update addresses these issues Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the October 2025 release of Visual Studio Code. This release brings significant updates across three key areas:
--- name: skill-creator description: Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations. license: Complete terms in LICENSE.txt --- # Skill Creator This skill provides guidance for creating effective skills. ## About Skills S
I see a lot of bad system design advice. One classic is the LinkedIn-optimized “bet you never heard of queues” style of post, presumably aimed at people who are new to the industry. Another is the Twitter-optimized “you’re a terrible engineer if you ever store booleans in a database” clever trick1. Even good system design advice can be kind of bad. I love Designing Data-Intensive Applications, but
Version 1.108 is now available! Read about the new features and fixes from December. Update 1.75.1: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the January 2023 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Profiles -
Update 1.60.1: The update addresses these issues. Update 1.60.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the August 2021 release of Visual Studio Code. There are many updates in this version that we hope you will like, some of the key highlights include: Automatic language detection - Programming l
PhobosLab
high_impact tl;dr: high_impact is small game engine for 2D action games. It's written in C, compiles to Windows, Mac and Linux as well as to WASM for the Web. It's “inspired by” my original Impact JavaScript game engine from 2010. The name high_impact is a nod to a time when C was considered a high level language. MIT licensed, source on github: github.com/phoboslab/high_impact Video from my tweet
Exactly ten years ago today, we published "Why We Created Julia", introducing the Julia project to the world. At this point, we have moved well past the ambitious goals set out in the original blog post. Julia is now used by hundreds of thousands of people. It is taught at hundreds of universities and entire companies are being formed that build their software stacks on Julia. From personalized me
Update 1.79.1: The update addresses this security issue. Update 1.79.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the May 2023 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Read-only mode - Mark specific files and f
Typestate - the new Design Pattern in Swift 5.9 | Swiftology
SwiftologyArticles on advanced Swift topics, functional programming, and software design. written byAlex Ozun This article will teach you 3 ideas: 1. Typestate Design Pattern. 2. The power of generic constraints. 3. Swift 5.9 new Noncopyable types and consuming functions. What is a Typestate design pattern?Typestate is a powerful design pattern that emerged in languages with advanced type systems
When I started writing and publishing open-source software about 15 years ago, I was pretty radical about it. I only used permissive licenses like MIT or BSD, as all I cared about was reach. Using a copyleft license with strings attached seemed to hinder that reach. Getting another A-category company to use my open-source libraries like Nodemailer was a badge of honor. I even went so far that when
Press ← or → to navigate between chapters Press S or / to search in the book Press ? to show this help Press Esc to hide this help Diverse perspectives on AI from Rust contributors and maintainers Starting on Feb 6, the project began collecting perspectives around AI into a shared document. This document is a summary of those comments, authored by nikomatsakis on Feb 27 or so. The goal of this doc
GitHub - taishi-i/awesome-ChatGPT-repositories: A curated list of resources dedicated to open source GitHub repositories related to ChatGPT and OpenAI API
awesome-chatgpt-api - Curated list of apps and tools that not only use the new ChatGPT API, but also allow users to configure their own API keys, enabling free and on-demand usage of their own quota. awesome-chatgpt-prompts - This repo includes ChatGPT prompt curation to use ChatGPT better. awesome-chatgpt - Curated list of awesome tools, demos, docs for ChatGPT and GPT-3 awesome-totally-open-chat
Version 1.107 is now available! Read about the new features and fixes from November. Release date: December 10, 2025 Update 1.107.1: The update improves the agent sessions experience, adds an agent workflow tutorial, and addresses these issues. The key highlights include: Agent sessions view defaults to side-by-side and remembers your toggle state. Agent sessions that require your input are now cl
JupyterLab Changelog — JupyterLab 4.6.0a1 documentation
JupyterLab Changelog# v4.5# JupyterLab 4.5 includes a number of new features (described below), bug fixes, and enhancements. This release is compatible with extensions supporting JupyterLab 4.0. Extension authors are encouraged to consult the Extension Migration Guide which lists deprecations and changes to the public API. Performance and windowing# The default windowing mode is now contentVisibil
What's new in Windows Forms in .NET 7.0 - .NET Blog
There are a lot of exciting enhancements for Windows Forms developers in .NET 7. We are committed to support and innovate in the Windows Forms runtime, so let’s look at what is new in .NET 7. Accessibility improvements and fixes We strive to improve the experience for users of assistive technology. This release adds further improvements to accessibility, including but not limited to the following:
New! (May 23, '25) If you prefer Python, check out the companion post Tiny Agents in Python. Over the past few weeks, I've been diving into MCP (Model Context Protocol) to understand what the hype around it was all about. My TL;DR is that it's fairly simple, but still quite powerful: MCP is a standard API to expose sets of Tools that can be hooked to LLMs. It is fairly simple to extend an Inferenc
Devin とGitHub Actionsで実現する継続的カバレッジ改善の取り組み - VISASQ Dev Blog
はじめに クライアント開発チームの安野です。 クライアント開発チームでは、クライアントポータルという to B 向けのサービス開発を担当しており、私はそこでフロントエンド・バックエンドの開発に携わっています。 クライアントポータルの内容はこちらからも確認できるので、ご興味があれば是非ご一読いただけますと幸いです！ square.visasq.com そんなクライアント開発チームのプロジェクトでは、テストカバレッジに関して主に以下の課題を抱えていました： 1. コードレビューの課題 テスト漏れの発見: プルリクエストで新たに実装されたロジックのテストに漏れがないか、レビュー時に判断するのが大変 分岐カバレッジの確認: 「この条件分岐は考慮されているか」「このエッジケースはテストされているか」といった確認が属人的で非効率 レビュー負担の増大: テストの網羅性を確認するために、実装コードとテスト
Join a VS Code Dev Days event near you to learn about AI-assisted development in VS Code. Update 1.71.1: The update addresses this security issue. Update 1.71.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the August 2022 release of Visual Studio Code. August is when many of the engineers on VS Code ta
Update 1.64.1: The update addresses these security issues. Update 1.64.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the January 2022 release of Visual Studio Code. There are many updates in this version that we hope you will like, some of the key highlights include: New Side Panel - Display more view
W3C Workshop on Permissions
Executive Summary Future work should build on the key strengths of the web: safety-by-default, linkability, ephemerality, and interoperability across browsers and platforms. There was significant interest in non-prompt, contextual permission UIs, which are more seamlessly embedded into the user’s journey, and follow the “user-pull” model instead of the “developer-push” model. This approach could a
Version 1.108 is now available! Read about the new features and fixes from December. Release date: January 08, 2026 Update 1.108.1: The update addresses these issues Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the December 2025 release of Visual Studio Code. Traditionally, the month of December is a time where our team focuses on cleani
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Retty の Terraform CI/CD 解体新書 - Retty Tech Blog
Claude Code Actionのプロンプト設計が、AIエージェント開発にかなり参考になる件
プロと読み解くRuby 3.3 NEWS - STORES Product Blog
npm Trusted PublishingでOIDCを使ってトークンレスでCIからnpmパッケージを公開する
March 2025 (version 1.99)
June 2023 (version 1.80)
April 2025 (version 1.100)
January 2025 (version 1.97)
January 2024 (version 1.86)
0.10.0 Release Notes ⚡ The Zig Programming Language
October 2025 (version 1.106)
prompts.chat - AI Prompts Community
Everything I know about good system design
January 2023 (version 1.75)
August 2021 (version 1.60)
Why We Use Julia, 10 Years Later
May 2023 (version 1.79)
How I turned my open-source project into a business
Summary - Rust Project Perspectives on AI
November 2025 (version 1.107)
Tiny Agents: an MCP-powered agent in 50 lines of code
August 2022 (version 1.71)
January 2022 (version 1.64)
December 2025 (version 1.108)