Config file snippet for setting up org-roam with org-ref and org-roam-bibtex.

init-orgroam.el

(use-package org-roam
  :straight t
  :init
  (setq org-roam-directory (file-truename "~/org/roam"))
  (setq org-roam-dailies-directory "daily/")
  (setq org-roam-dailies-capture-templates
        '(("d" "default" entry
           "* %?"
           :target (file+head "%<%Y-%m-%d>.org"
                              "#+title: %<%Y-%m-%d>\n"))))
  :bind (("C-c n f" . org-roam-node-find)
         ("C-c n c" . org-roam-dailies-capture-today)
         ("C-c n r" . org-roam-node-random)
         ("C-c n d" . org-roam-dailies-find-today)
         (:map org-mode-map
               (("C-c n i" . org-roam-node-insert)
                ("C-c n b" . orb-insert-link)
                ("C-c n o" . org-id-get-create)
                ("C-c n t" . org-roam-tag-add)
                ("C-c n a" . org-roam-alias-add)
                ("C-c n l" . org-roam-buffer-toggle))))
  :config
  (org-roam-db-autosync-mode)
  )
(use-package org-roam-ui :straight t)
(use-package org-roam-bibtex
  :straight t
  :after org-roam
  :config
  (org-roam-bibtex-mode)
  (require 'org-ref))

  (use-package org-ref
    :straight t
    :init
    (setq reftex-default-bibliography '("~/org/research/references.bib")
          org-cite-global-bibliography
          (list
           (expand-file-name "~/org/research/references.bib"))
          org-ref-default-bibliography '("~/org/research/references.bib")
          org-ref-pdf-directory "~/org/papers/"
          org-ref-notes-directory "~/org/research/notes.org"
          org-ref-bibliography-notes "~/org/research/notes.org"
          )
    (setq bibtex-completion-bibliography "~/org/research/references.bib"
          bibtex-completion-library-path "~/org/papers/"
          bibtex-completion-notes-path "~/org/research/notes.org")

    ;; :config
    ;; (org-ref-ivy-cite-completion)
    )
    
(provide 'init-orgroam)