diff --git a/README.md b/README.md
index c362284..26a5e38 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ Find **Protocol Buffers Descriptions** at the [`./pb` directory](./pb).
 
         gcloud container clusters create demo --enable-autoupgrade \
             --enable-autoscaling --min-nodes=3 --max-nodes=10 --num-nodes=5 \
-            -- scopes https://www.googleapis.com/auth/cloud_debugger
+            --scopes https://www.googleapis.com/auth/cloud_debugger
 
         kubectl get nodes
 
diff --git a/src/cartservice/Dockerfile b/src/cartservice/Dockerfile
index d846ced..fdf0d93 100644
--- a/src/cartservice/Dockerfile
+++ b/src/cartservice/Dockerfile
@@ -8,6 +8,10 @@ RUN dotnet restore && \
 # cartservice
 FROM gcr.io/dotnet-debugger/aspnetcore:2.1
 
+RUN GRPC_HEALTH_PROBE_VERSION=v0.2.0 && \
+    wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
+    chmod +x /bin/grpc_health_probe
+
 # Dependencies for runtime
 # busybox-extras => telnet
 RUN apt-get install -q -y --no-install-recommends \
@@ -20,10 +24,6 @@ RUN apt-get install -q -y --no-install-recommends \
     musl-dev \
     wget 
 
-RUN GRPC_HEALTH_PROBE_VERSION=v0.2.0 && \
-    wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
-    chmod +x /bin/grpc_health_probe
-
 WORKDIR /app
 COPY --from=builder /cartservice .