Set up Discourse for development on Fedora Linux

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Just tried running a local install and ran into issues with pgvector. This is on Fedora 42 and Postgres16. The packaged version of pgvector is 0.6.2 and it seems I need to compile from source to get a more recent one.

Then ran into conflicts trying to build pgvector, which seems to require postgresql-private-devel package that had conflicting requests with libpq-devel.

Resolved it by:

  •  sudo dnf install postgresql-server-devel --allowerasing
  • Build pgvector
  • Check installed version
    sudo -u postgres psql discourse_development -c "SELECT * FROM pg_available_extensions WHERE name = 'vector';"

  •  sudo systemctl restart postgresql
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