Tonight I was playing around with Docker in Windows and I wanted to use Node to install my packages to my local environment. Then I found a command on Chris Fidao’s Laravel Vessel website which looked like…

docker run --rm -it -v $(pwd):/opt -w /opt shippingdocker/php-composer:latest composer create-project laravel/laravel my-app

I modified it for use with npm to…

docker run --rm -it -v $(pwd):/opt -w /opt michaelbrooks/node:latest npm i vuepress

I ran the command and got the following…

docker: Error response from daemon: create $(pwd): "$(pwd)" includes invalid characters for a local volume name, only 
"[a-zA-Z0-9][a-zA-Z0-9_.-]" are allowed. If you intended to pass a host directory, use absolute path. See 'docker run
--help'.

A quick search and I found I could replace $(pwd) with %cd% which looked exactly like this…

docker run --rm -it -v %cd%:/opt -w /opt michaelbrooks/node npm i vuepress

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