From f1e5f1ed5ba9c6e27658f244076e600768778647 Mon Sep 17 00:00:00 2001
From: Junya Morioka <mjun@mjunya.com>
Date: Sun, 21 Dec 2025 04:10:36 +0900
Subject: [PATCH] docs: add build environments section to README

- Add table listing all build platforms and their configurations
- Document runner types (GitHub-hosted, Self-hosted, AWS CodeBuild)
- Show container images used for each platform
- Include Linux x86_64, Linux ARM64, and Windows x86_64 environments
---
 README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/README.md b/README.md
index e7578c7..5424b19 100644
--- a/README.md
+++ b/README.md
@@ -238,3 +238,15 @@ gh api \
   -X POST \
   /repos/[OWNER]/[REPOSITORY]/actions/runners/registration-token
 ```
+
+## Build Environments
+
+This repository builds wheels across multiple platforms and environments:
+
+| Platform           | Runner Type                    | Container Image                            |
+| ------------------ | ------------------------------ | ------------------------------------------ |
+| **Linux x86_64**   | GitHub-hosted (`ubuntu-22.04`) | -                                          |
+| **Linux x86_64**   | Self-hosted                    | `ubuntu:22.04` or `manylinux_2_28_x86_64`  |
+| **Linux ARM64**    | Self-hosted (`linux/arm64`)    | `ubuntu:22.04` or `manylinux_2_28_aarch64` |
+| **Windows x86_64** | GitHub-hosted (`windows-2022`) | -                                          |
+| **Windows x86_64** | AWS CodeBuild                  | -                                          |