&& python3 --version
# Allow global npm packages install without sudo
-RUN mkdir ${USER_HOME_DIR}/.npm-global \
+RUN set -ex \
+ && mkdir ${USER_HOME_DIR}/.npm-global \
&& chown ${USER}:${USER} ${USER_HOME_DIR}/.npm-global
ENV NPM_CONFIG_PREFIX ${USER_HOME_DIR}/.npm-global