datomic-booties

Dependency info:

[com.flyingmachine/datomic-booties "0.1.2"]

This library makes it easy to stand up a Datomic database with Boot. It provides the following tasks:

• create-db
• delete-db
• migrate-db runs migrations as described below
• bootstrap-db combines create-db and migate-db
• recreate-db combines delete-db and bootstrap-db

Migrations

datomic-booties looks for a db/schema.edn resource to define database attributes; see the conformity README for details on how to structure db/schema.edn. Example schema:

{:booties/initial-schema
 {:txes [[{:db/ident :user/username
           :db/id #db/id [:db.part/db]
           :db/valueType :db.type/string
           :db/cardinality :db.cardinality/one
           :db/index true
           :db/fulltext true
           :db.install/_attribute :db.part/db}

          ;; posts
          {:db/ident :post/content
           :db/id #db/id[:db.part/db]
           :db/valueType :db.type/string
           :db/cardinality :db.cardinality/one
           :db/fulltext true
           :db/doc "Post content"
           :db.install/_attribute :db.part/db}

          ;; content
          {:db/ident :content/author
           :db/id #db/id[:db.part/db]
           :db/valueType :db.type/ref
           :db/cardinality :db.cardinality/one
           :db/doc "General author attribute"
           :db.install/_attribute :db.part/db}]]}}

It looks in db/seed.edn for seed data. See the growmonster README for details on seed data format.

Example:

[:users
 [:billy
  {:db/id #db/id [:db.part/user]
   :user/username "billy"}]

 :posts
 [{:db/id #db/id [:db.part/user]
   :post/content "post content"
   :content/author [:users :billy :db/id]}]]

Example

In the build.boot of your project:

(set-env!
 :resource-paths #{"resources"} ; this is where db/schema.edn and db/seed.edn live
 :dependencies [[com.flyingmachine/datomic-booties "0.1.0"]])

;; This is necessary to read datomic literals like #db/id [:db.part/user]
(load-data-readers!)

(require
 '[com.flyingmachine.datomic-booties.tasks :refer :all])

Then, from the terminal, run things like

$ boot bootstrap-db -u "datomic:free://localhost:4334/datomic-booties-dev"