Don't update npm when installing node

1 files changed, 7 insertions, 6 deletions

diff --git a/tools/dockerfile/interoptest/grpc_interop_node/Dockerfile b/tools/dockerfile/interoptest/grpc_interop_node/Dockerfile
index 539a869a7b..801bb07056 100644
--- a/tools/dockerfile/interoptest/grpc_interop_node/Dockerfile
+++ b/tools/dockerfile/interoptest/grpc_interop_node/Dockerfile
@@ -71,12 +71,13 @@ RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 t
 RUN touch .profile
 RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
 # Install all versions of node that we want to test
-RUN /bin/bash -l -c "nvm install 4 && npm config set cache /tmp/npm-cache && npm install -g npm"
-RUN /bin/bash -l -c "nvm install 5 && npm config set cache /tmp/npm-cache && npm install -g npm"
-RUN /bin/bash -l -c "nvm install 6 && npm config set cache /tmp/npm-cache && npm install -g npm"
-RUN /bin/bash -l -c "nvm install 8 && npm config set cache /tmp/npm-cache && npm install -g npm"
-RUN /bin/bash -l -c "nvm install 9 && npm config set cache /tmp/npm-cache && npm install -g npm"
-RUN /bin/bash -l -c "nvm alias default 9"
+RUN /bin/bash -l -c "nvm install 4 && npm config set cache /tmp/npm-cache"
+RUN /bin/bash -l -c "nvm install 5 && npm config set cache /tmp/npm-cache"
+RUN /bin/bash -l -c "nvm install 6 && npm config set cache /tmp/npm-cache"
+RUN /bin/bash -l -c "nvm install 8 && npm config set cache /tmp/npm-cache"
+RUN /bin/bash -l -c "nvm install 9 && npm config set cache /tmp/npm-cache"
+RUN /bin/bash -l -c "nvm install 10 && npm config set cache /tmp/npm-cache"
+RUN /bin/bash -l -c "nvm alias default 10"
 # Prepare ccache
 RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
 RUN ln -s /usr/bin/ccache /usr/local/bin/g++