Migrate to Postgresql for better network handling. Add more user functionality.

db/migrate/007_create_sessions.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class CreateSessions < ActiveRecord::Migration[8.1]
+  def change
+    create_table :sessions, force: :cascade do |t|
+      t.references :user, null: false, foreign_key: true, index: true
+      t.inet :ip_address
+      t.string :user_agent
+
+      t.timestamps
+    end
+  end
+end