proper node version for circle ci?
proper node version for circle ci?

spark-solutions/spark-starter-kit,spark-solutions/spark-starter-kit,mysteryihs/guan_shu_v2,ongmin/shopshop,mysteryihs/guan_shu_v2,mysteryihs/guan_shu_v2,spark-solutions/spark-starter-kit,ongmin/shopshop,ongmin/shopshop