Add data_migrate gem, auto-migrate data when appropriate

Gemfile

@@ -53,4 +53,6 @@ gem 'base64', '~> 0.2.0'
 gem 'mutex_m', '~> 0.2.0'
 gem 'bigdecimal', '~> 3.1'
 gem 'psych', '< 4'
-gem "dotenv-rails", "~> 2.8"
+gem 'dotenv-rails', '~> 2.8'
+# pinned to < 9.3 until https://github.com/ilyakatz/data-migrate/issues/302 resolved
+gem 'data_migrate', '~> 9.2', '< 9.3'

Gemfile.lock

@@ -102,6 +102,9 @@ GEM
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     crass (1.0.6)
+    data_migrate (9.2.0)
+      activerecord (>= 6.1)
+      railties (>= 6.1)
     date (3.3.4)
     devise (4.7.3)
       bcrypt (~> 3.0)
@@ -297,6 +300,7 @@ DEPENDENCIES
   bigdecimal (~> 3.1)
   bootsnap (~> 1.7.7)
   byebug
+  data_migrate (~> 9.2, < 9.3)
   devise (~> 4.7.1)
   devise_token_auth (~> 1.1.5)
   dotenv-rails (~> 2.8)

Procfile

@@ -1,3 +1,3 @@
-release: rails db:migrate
+release: rails db:migrate:with_data
 web: bundle exec puma -C config/puma.rb
 worker: bundle exec sidekiq -e production -C config/sidekiq.yml

app.json

@@ -2,7 +2,7 @@
   "name": "dm-2",
   "description": "Digital Mappa 2",
   "scripts": {
-    "postdeploy": "bundle exec rake db:migrate"
+    "postdeploy": "bundle exec rake db:migrate:with_data"
   },
   "repository": "https://github.com/performant-software/dm-2",
   "env": {

bin/update

@@ -18,7 +18,7 @@ chdir APP_ROOT do
   system('bundle check') || system!('bundle install')
 
   puts "\n== Updating database =="
-  system! 'bin/rails db:migrate'
+  system! 'bin/rails db:migrate:with_data'
 
   puts "\n== Removing old logs and tempfiles =="
   system! 'bin/rails log:clear tmp:clear'

db/schema.rb

@@ -44,6 +44,9 @@
     t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
   end
 
+  create_table "data_migrations", primary_key: "version", id: :string, force: :cascade do |t|
+  end
+
   create_table "document_folders", force: :cascade do |t|
     t.string "title"
     t.string "parent_type"