.NET Core Pipleines - PostBuild copy failing

Question

I have the following PostBuild configuration in my project file to copy some libraries into my output directory: This works as expected on my dev machine, but I get the following build error in Pipelines: error MSB3073: The command "copy /opt/atlassian/pipelines/agent/build//Lib/* bin/Debug/netcoreapp2.2/" exited with code 127. Is there any way I can get this to work?

BoroDrummer · Accepted Answer

I realized the issue was due to the fact Pipelines runs on Linux and my dev machine was windows. The "copy" command is windows specific, so to fix the issue I changed the PostBuild event to use "cp" instead: