From 9905d8b3910088c28a77076bbdd53ddd615540ed Mon Sep 17 00:00:00 2001 From: Aidan Delaney Date: Mon, 15 Jul 2024 06:57:29 +0000 Subject: [PATCH] Note mutli-arch support excludes cross-build We are currently limited to building an application image for a platform on that platform Signed-off-by: Aidan Delaney Signed-off-by: Aidan Delaney --- .../for-app-developers/how-to/special-cases/build-for-arm.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/content/docs/for-app-developers/how-to/special-cases/build-for-arm.md b/content/docs/for-app-developers/how-to/special-cases/build-for-arm.md index 1019aa22c..552826934 100644 --- a/content/docs/for-app-developers/how-to/special-cases/build-for-arm.md +++ b/content/docs/for-app-developers/how-to/special-cases/build-for-arm.md @@ -12,6 +12,8 @@ weight=1 Building for the ARM architecture is now easier than ever! The `heroku/builder:24` builder supports both AMD64 and ARM64 architectures, and includes multi-arch Go, Java, Node.js, PHP, Python, Ruby and Scala buildpacks. You can read more about Heroku's [Cloud Native Buildpacks here][heroku-buildpacks]. +> **NOTE:** Our current multi-architecture support allows building an ARM64 application image on an ARM64 host, and building an AMD64 application image on an AMD64 host. We do not currently support building an application image for one architecture on a different architecture. + ### 1. Clone the [samples][samples] repository ```