Build fix

.github/workflows/react-native-cicd.yml

@@ -545,6 +545,11 @@ jobs:
             echo "available=false" >> $GITHUB_OUTPUT
           fi
 
+      # Register binfmt handlers so the arm64 runtime stage runs under the host's QEMU
+      # instead of BuildKit's built-in fallback emulator.
+      - name: 🐳 Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: 🐳 Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 

Dockerfile

@@ -1,5 +1,7 @@
 ### STAGE 1: Build ###
-FROM node:22-alpine AS build
+# The build output is static web assets, so always build on the native builder platform.
+# Emulating this stage under QEMU for arm64 is extremely slow and fails during yarn install.
+FROM --platform=$BUILDPLATFORM node:22-alpine AS build
 
 # Install build dependencies
 RUN apk add --no-cache python3 make g++