I have been putting together some extra introductory materials on Nextflow to help beginners who I may be working with. It is hosted on GitHub here:
https://github.com/stevekm/nextflow-demosI have tried to include descriptions of aspects which I and other beginners were confused about, along with code examples on usages that may not have been covered directly in the documentation, or usages that are common among our internal pipelines that were more difficult to implement. Let me know what you think. I was helping someone with Nextflow just today, and almost all of the questions they had after working through the official docs were covered here. I hope others may find this useful too!