From f254cf76d919a96559706c92fa5af009ce699d63 Mon Sep 17 00:00:00 2001
From: Felipe Oduardo Sierra <420001+felipe@users.noreply.github.com>
Date: Sat, 13 Dec 2025 20:01:59 +0100
Subject: add ARM64 Docker image support (#5483)

---
 packages/opencode/Dockerfile        | 12 ++++++++++--
 packages/opencode/script/publish.ts |  8 ++++----
 2 files changed, 14 insertions(+), 6 deletions(-)

(limited to 'packages')

diff --git a/packages/opencode/Dockerfile b/packages/opencode/Dockerfile
index 99f593581..f92b48a6d 100644
--- a/packages/opencode/Dockerfile
+++ b/packages/opencode/Dockerfile
@@ -1,10 +1,18 @@
-FROM alpine
+FROM alpine AS base
 
 # Disable the runtime transpiler cache by default inside Docker containers.
 # On ephemeral containers, the cache is not useful
 ARG BUN_RUNTIME_TRANSPILER_CACHE_PATH=0
 ENV BUN_RUNTIME_TRANSPILER_CACHE_PATH=${BUN_RUNTIME_TRANSPILER_CACHE_PATH}
 RUN apk add libgcc libstdc++ ripgrep
-ADD ./dist/opencode-linux-x64-baseline-musl/bin/opencode /usr/local/bin/opencode
+
+FROM base AS build-amd64
+COPY dist/opencode-linux-x64-baseline-musl/bin/opencode /usr/local/bin/opencode
+
+FROM base AS build-arm64
+COPY dist/opencode-linux-arm64-musl/bin/opencode /usr/local/bin/opencode
+
+ARG TARGETARCH
+FROM build-${TARGETARCH}
 RUN opencode --version
 ENTRYPOINT ["opencode"]
diff --git a/packages/opencode/script/publish.ts b/packages/opencode/script/publish.ts
index ff75bbb8d..72632992f 100755
--- a/packages/opencode/script/publish.ts
+++ b/packages/opencode/script/publish.ts
@@ -244,8 +244,8 @@ if (!Script.preview) {
   await $`cd ./dist/homebrew-tap && git push`
 
   const image = "ghcr.io/sst/opencode"
-  await $`docker build -t ${image}:${Script.version} .`
-  await $`docker push ${image}:${Script.version}`
-  await $`docker tag ${image}:${Script.version} ${image}:latest`
-  await $`docker push ${image}:latest`
+  const platforms = "linux/amd64,linux/arm64"
+  const tags = [`${image}:${Script.version}`, `${image}:latest`]
+  const tagFlags = tags.flatMap((t) => ["-t", t])
+  await $`docker buildx build --platform ${platforms} ${tagFlags} --push .`
 }
-- 
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