Server Message Block (SMB) File Shares
SMB Network Shares on Cloud Foundry
A full description of how to accomplish network share connections within a windows container is available at the link below.
https://content.pivotal.io/dotnet/run-net-framework-apps-on-a-modern-platform-with-an-smb-network-share-steeltoe-makes-it-easy
If you would like to skip directly to a working example, the repo is here.