ActivityPub - IndieWeb — Description of a few ways how you can use Indieweb functionality with ActivityPub.

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Microformats tests

Zeit — Instant global deployments

Zeit - Now for GitHub

How to make friends and verify requests - Official Mastodon Blog

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How to implement a basic ActivityPub server - Official Mastodon Blog

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Declarative Schema Overview | Magento 2 Developer Documentation

A Declarative Approach for Database Schema Upgrade... - Magento Forums