Merge pull request #514 from EESSI/cicd_hackathon

Author: bedroge

docs/training/2025/hackathon-eurohpc-user-days.md

@@ -1,7 +1,87 @@
 # EESSI CI/CD hackathon (2 Oct 2025, Copenhagen)
 
-On Thursday 2 October 2025, a CI/CD hackathon will be organised in the wake of the
+_Provided by [EuroHPC CoE MultiXscale](https://www.multixscale.eu) in collaboration with [CASTIEL2](https://hpc-portal.eu/projects/castiel-2-coordination-and-support-action) and [EuroCC Denmark](https://www.deic.dk/EuroCC2)_
+
+!!! tip
+    **The hackathon is a hybrid event with space for about 25 in-person participants.**
+    
+    Attending the sessions is free, but you must be registered to attend in person or to join the Zoom webinar session for online participation!
+
+    See also [Registration](#registration).
+
+On Thursday 2 October 2025, a continuous integration and continuous deployment (commonly referred to as CI/CD) hackathon will be organised in the wake of the
 [EuroHPC User Days](https://eurohpc-ju.europa.eu/media-events/events/eurohpc-user-days-2025-2025-09-30_en)
-which takes place 30 Sept + 1 Oct 2025 in Copenhagen.
+which takes place 30 Sept + 1 Oct 2025 in Copenhagen. 
+
+The hackathon will give a general introduction to CI/CD, and then focus on the specific issues that can affect CI/CD workflows in the HPC domain. It will introduce the European Environment for Scientific Software Installations (EESSI, [https://eessi.io](https://eessi.io)) and some of the tools that EESSI is creating to help to address these issues.
+
+Ample time will be provided for participants to follow prepared examples, as well as time to investigate the implementation of some of the practices for their own application codes.
+
+The session will be recorded. Recordings, slides, and materials used will be made publicly available shortly after the event via this page.
+
+**If you have any questions regarding this event, please send an email to `support@eessi.io`.**
+
+## Sessions
+
+- Thursday 02 October 2025 (09:30-16:00 CEST): **EESSI CI/CD hackathon** 
+
+## Venue
+
+The event will take place at the Royal Danish Library's Cultural Centre, in the [Black Diamond](https://www.kb.dk/en/visit-us/black-diamond-copenhagen) building.
+
+Online participation is available via Zoom.
+
+## Format
+
+- Hybrid format
+    - Space for 25 in-person attendees
+    - Online participation via Zoom
+- Mix of presentation & hands-on exercises
+    - ~2.5h of content
+    - ~2.5h for hands-on
+    - ~30min for final Q&A
+
+## Registration
+
+Both in person and online attendance is free of charge, but registration is required.
+
+**Register via [https://event.ugent.be/registration/eessi202510](https://event.ugent.be/registration/eessi202510)**
+
+## Preparatory Material
+
+While most of the content will be introduced on the day, it is likely very beneficial to follow some topics from the recent EESSI webinar series relevant to the hackathon:
+
+- [Introduction to EESSI](https://www.eessi.io/docs/training/2025/webinar-series-2025Q2/#introduction-to-eessi)
+- [Introduction to EasyBuild](https://www.eessi.io/docs/training/2025/webinar-series-2025Q2/#introduction-to-easybuild)
+
+Familiarity with [Git](https://swcarpentry.github.io/git-novice/) is also useful, as is some experience with building and/or installing software packages.
+
+## Q&A via Slack
+
+For posting questions or comments during the event, we strongly prefer that you post them
+in the **`#cicd` channel in the EESSI Slack** ([direct link to that channel](https://eessi-hpc.slack.com/archives/C096B9JSD0C)).
+
+If you haven't joined the EESSI Slack yet, first use the "`Slack channel`" link on the [EESSI website (https://eessi.io)](https://eessi.io).
+
+There will also be an opportunity to ask questions directly to the speakers, should you wish to do so.
+
+## Useful links
+
+- EESSI website: [https://eessi.io](https://eessi.io)
+- EESSI documentation: [https://eessi.io/docs](https://eessi.io/docs)
+- EESSI in CI: [https://www.eessi.io/docs/using_eessi/eessi_in_ci/](https://www.eessi.io/docs/using_eessi/eessi_in_ci/)
+- EasyBuild website: [https://easybuild.io](https://easybuild.io)
+- EasyBuild documentation: [https://docs.easybuild.io](https://docs.easybuild.io)
+- MultiXscale website: [https://www.multixscale.eu](https://www.multixscale.eu)
+
+---
+
+## Session details
+
+Full sessions details (including timings for breaks) will be added soon, a general outline is:
 
-**More information on registration, venue, etc. soon!**
+- What is CI/CD
+- What makes CI different in the HPC domain
+- How to leverage EESSI to enable HPC-oriented CI
+- Using EESSI CI services for GitHub/GitLab
+- Introduction to EESSI CD services

docs/training/index.md

@@ -1,7 +1,12 @@
 # Trainings related to EESSI
 
 ## 2025
+
+* [*EESSI CI/CD Hackathon*](2025/hackathon-eurohpc-user-days.md) (hybrid event, 2 October 2025)
+
 * [*EESSI happy hour sessions*](2025/happy-hours-sessions.md) (online sessions **every** Monday,  starting mid August)
 
+### Past events
+
 * [*EESSI webinar series (May-June 2025)*](2025/webinar-series-2025Q2.md) (online tutorials, 5/12/19/26 May & 2 June)