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Technical articles, deep dives, and announcements from the Upsun team and community.
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Jul 7, 2026
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The latest articles and tutorials from the Upsun Developer Center.
How It WorksJul 7, 2026
Write a Git server with per-branch permissions in five minutes
Upsun’s most basic API is a Git server. Build one in Python with Dulwich and Paramiko, and add per-branch read permissions in a single method.
InsightsJun 30, 2026
Why Emacs is still my interface to my computer
Why I still use Emacs every day: one consistent interface for editing, Git with Magit, terminals, a Claude Code agent per project, and the rest of my computer.