# Introduction

猶記得當年，為了在每台VM上安裝Spark，寫了落落長的步驟。

即便如此，每每安裝時仍因OS或套件的不同，導致失敗，灰頭土臉到同事終於看不下去，帶著我接觸了Docker，終於擺脫那段過去，也節省很多安裝時間及精力。

希望大家也能感受到Docker的好處。

文末，感恩一下神同事Ricky\~\~XD


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