diff --git a/build.env b/build.env
new file mode 100644
index 0000000..9e955fa
--- /dev/null
+++ b/build.env
@@ -0,0 +1,6 @@
+REGISTRY='push.registry.cloud.aquantico.de'
+IMAGE_NAME='qaffee'
+IMAGE_VERSION='1.0.8'
+SERVICES=(backend frontend)
+SNAPSHOT_TAG='SNAPSHOT'
+platform=linux/amd64,linux/arm64
\ No newline at end of file
diff --git a/build.sh b/build.sh
index 5caf1a7..d44bd65 100644
--- a/build.sh
+++ b/build.sh
@@ -28,7 +28,7 @@ set -euo pipefail
 #cd to script dir
 pushd "$(dirname "${BASH_SOURCE[0]}")" > /dev/null
 SCRIPT_DIR="$(pwd)"
-source "${SCRIPT_DIR}/.env"
+source "${SCRIPT_DIR}/build.env"
 # read from .env: 
 #   REGISTRY, IMAGE_NAME, IMAGE_VERSION, SNAPSHOT_TAG
 #   SERVICES (subfolder name = image suffix)
@@ -77,7 +77,12 @@ for SERVICE in "${SERVICES[@]}"; do
   IMAGE="${REGISTRY}/${IMAGE_NAME}-${SERVICE}:${VERSION}"
   echo ""
   echo ">>> Building ${SERVICE}: ${IMAGE}"
-  docker build --tag "${IMAGE}" "${SCRIPT_DIR}/${SERVICE}"
+  
+  docker buildx build \
+    --platform ${platform} \
+    -t "${IMAGE}"  \
+    $($PUSH && echo "--push" || echo "") \
+    "${SCRIPT_DIR}/${SERVICE}"  
   echo "    ${SERVICE} built successfully."
 done