Overview:
https://docs.microsoft.com/en-us/powershell/dsc/overview/overview
https://docs.microsoft.com/en-us/powershell/dsc/resources/resources
DSC resource kit:
https://github.com/powershell/dscresources
Troubleshooting DSC:
https://docs.microsoft.com/en-us/azure/automation/troubleshoot/desired-state-configuration
DSCEA:
https://github.com/Microsoft/DSCEA
readme: https://microsoft.github.io/DSCEA/