How to install docker in anaconda environment?

I am getting below error when trying to install docker in conda environment.

(installingrasa) D:\ProjectsGIT\RASA\finbot>docker run rasa/duckling

‘docker’ is not recognized as an internal or external command, operable program or batch file.

May I get any suggestion from the expert of rasa forum…

Did you try to install follow the official page: Install Docker Engine on Ubuntu | Docker Documentation?