fix nvm

build/Dockerfile

@@ -13,9 +13,8 @@ RUN export DEBIAN_FRONTEND=noninteractive && apt-get -y update \
 	&& chmod +x /usr/local/bin/start-container \
 	&& echo "install nvm and node" \
 	&& curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash \
-	&& bash $HOME/.nvm/nvm.sh \
 	&& if [ -z "$NODE_VERSION" ]; then NODE_VERSION="node"; fi \
-	&& nvm install $NODE_VERSION \
+	&& bash $HOME/.nvm/nvm.sh install $NODE_VERSION  \
 	&& echo "install composer" \
 	&& curl -o composer-setup.php https://getcomposer.org/installer \
 	&& curl -o composer-setup.sig https://composer.github.io/installer.sig \