Files

spaces

Name		Name	Last commit message	Last commit date
parent directory ..
Sub Dir		Sub Dir
Dockerfile		Dockerfile
README.md		README.md
build.ps1		build.ps1
test.ps1		test.ps1

README.md

spaces

How to use spaces in Dockerfiles

FROM mcr.microsoft.com/windows/servercore:ltsc2016
COPY [ "Sub Dir", "C:/Program Files (x86)/Sub Dir" ]

Use JSON format of COPY instruction
Quote the paths containing spaces.
It is better to use unix forward slashes