website/content/posts/forgejo-federation-design-overview.md
Anthony Wang 59ae6e5d13
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title date draft description type tags
Forgejo Federation Design Overview 2023-01-09T21:19:27Z true A deep dive into the design of Forgejo federation post
forgejo
federation
activitypub

This post describes the details of the design of Forgejo federation.

Identity

Forgejo, like most ActivityPub implementations, uses WebFinger to resolve @user@instance.com usernames to IRIs.

Likewise, Forgejo signs all activities using HTTP signatures

An interesting application of this is private repository federation.

Common data format

A lot of seemingly difficult problems like federated pull requests, mirroring entire projects including issues, and migrations are

F3, ForgeFed vocabulary

Mirroring

Migrations

Consistency

Write about primary-secondary replication for federated collaborators

Performance/scalability

Redirect Git pushes

Moderation

Blocking users and instances

Rate-limiting and spam

UI

Better AP UI? Fetch data from original instance instead of your instance? Performance problems?