sketch roadmap to an MVP demo

- goal as set by Bjorn on 2024-01-20
- proposal with input from Koen on 2025-01-22

2024-01-mvp-demo-roadmap.md

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+# Target: Demo at Fediforum online conference 2025-04-01 
+
+Goal: Demo Fediversity and make this demo available for download for others to use.
+Focus on 1 or 2 Fediverse applications that can be 'automagically' installed aka a minimal viable product.
+
+To determine:
+
+- What are the minimal requirements to make this happen?
+- What components are needed?
+- Which Fediverse services are we going to offer?
+- There are ~47 (~9weeks) workdays between 27-01-2025 and 01-04-2025. How will we divide the work among the team?
+
+# Roadmap
+
+* As a first measure, set up a new site with a simple email form: "set up your Fediverse services"
+ * Initial form fields:
+  * text field: subdomain to use under e.g. <code>demo.fediversity.eu</code>
+  * multi-select: services to deploy (start with one or two)
+  * text fields: ssh public keys
+  * freeform: additional requests
+ * Simply send an email to the project team for manual processing
+ * Figure out the rest as we go, automate time-consuming repetitive tasks incrementally
+  * Systematically keep procedural notes from which we can later derive code
+* Split test environment into staging and production deployment
+* Start preparing a Django service ([as discussed 2024-11-06](../meeting-notes/2024-11-06%20standup%20notes.md#working-session-architecture-discussion)) that will eventually replace the manually processed form
+ * It will take about a work week to make the development cycle smooth (maybe 2 weeks on the wall clock), enough to refine the initial data model
+ * It could trigger NixOps4 asynchronously on form submission
+  * Requires figuring out the exact interaction model on the backend. Especially how deployment state gets stored, retrieved, and updated
+  * Requires a Passbolt provider for dynamic secrets ([as discussed regarding secrets handling 2024-12-10](meeting-notes/2024-12-10-decision-making-meeting-dealing-with-secrets.md))
+   * We probably don't want to mess with Git-backed storage there
+  * Requires a proper deployment provider
+   * Terraform is currently planned
+   * For single NixOS machines something more robust than a shellscript would already be nice, but that would require talking to Proxmox via API anyway
+* Rebrand MyProtagio to Fediversity
+  * It currently interfaces with an intermediate registrar, need to remove that
+  * Demo users could register an actual domain using a voucher token
+* Interfacing with MyProtagio for leveraging its DNS setup capabilities may need more time to study the code
+  * We’d ideally co-deploy an instance with the other front-end to enable smooth CI/CD; though that’s more up-front work
+  * MyProtagio doesn't have metering or billing yet
+    * If we hand out exactly one credit, it would include one domain name and some bulk service package for some period of time
+
+# TODO
+
+* Division of labor
+  * Tweag can do the domain-specific data types and transformations, as well as the the backend wiring
+    * Ronny asked to get involved in the domain modeling
+  * Waiting for Koen to contact their UI expert  
+  * Robert needed for NixOps4 providers
+* Selection of initial services
+  * Also have to resolve friction around versions being up to date in Nixpkgs
+
+# Next steps
+
+* Define detailed scope, integration points, schedule