diff --git a/src/cartservice/src/Dockerfile b/src/cartservice/src/Dockerfile
index 37205b27d9..7b7d534311 100644
--- a/src/cartservice/src/Dockerfile
+++ b/src/cartservice/src/Dockerfile
@@ -15,7 +15,8 @@
 # limitations under the License.
 
 # https://mcr.microsoft.com/v2/dotnet/sdk/tags/list
-FROM mcr.microsoft.com/dotnet/sdk:8.0.100-1 AS builder
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0.100-1 AS builder
+ARG TARGETARCH
 
 WORKDIR /usr/src/app/
 
@@ -24,12 +25,12 @@ COPY ./pb/ ./src/protos/
 
 RUN \
   RUNTIME_IDENTIIFER=linux-musl-x64; \
-  if [ "$(uname -m)" = "aarch64" ]; then RUNTIME_IDENTIIFER=linux-musl-arm64; fi; \
+  if [ "${TARGETARCH}" = "arm64" ]; then RUNTIME_IDENTIIFER=linux-musl-arm64; fi; \
   dotnet restore ./src/cartservice.csproj -v d -r $RUNTIME_IDENTIIFER
 
 RUN \
   RUNTIME_IDENTIIFER=linux-musl-x64; \
-  if [ "$(uname -m)" = "aarch64" ]; then RUNTIME_IDENTIIFER=linux-musl-arm64; fi; \
+  if [ "${TARGETARCH}" = "arm64" ]; then RUNTIME_IDENTIIFER=linux-musl-arm64; fi; \
   dotnet publish ./src/cartservice.csproj -v d -p:PublishSingleFile=true -r $RUNTIME_IDENTIIFER --self-contained true -p:PublishTrimmed=False -p:TrimMode=Link -c Release -o /cartservice --no-restore
 
 # -----------------------------------------------------------------------------