Migrations in Rails Engine?

Question

I have multiple rails applications talking to the same backend and I\'d like them to share some migrations.
I setup a rails engine (with enginex), I can share anything (

Answer 1

For rails 4 use:

   initializer :append_migrations do |app|
      unless app.root.to_s.match root.to_s
        config.paths["db/migrate"].expanded.each do |expanded_path|
          app.config.paths["db/migrate"] << expanded_path
        end
      end
    end

https://content.pivotal.io/blog/leave-your-migrations-in-your-rails-engines