# Migrating merb to rails3?

**URL:** <https://www.ruby-forum.com/t/migrating-merb-to-rails3/183340>\
**Category:** Rails\
**Created:** [February 12, 2010, 3:34am UTC](https://www.ruby-forum.com/t/migrating-merb-to-rails3/183340 "2010-02-12T03:34:24Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![gyngve](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/e95f7d/32.png) [@gyngve](https://www.ruby-forum.com/u/gyngve)\
**Post date:** [February 12, 2010, 3:34am UTC](https://www.ruby-forum.com/t/migrating-merb-to-rails3/183340/1 "2010-02-12T03:34:24Z")

</div>

Is there a document anywhere on how to migrate merb w/ datamapper and  
haml to rails3?

Any known gotchas?

Thanks,  
Gary

---

<div class="post-metadata">

**Author:** ![gyngve](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/e95f7d/32.png) [@gyngve](https://www.ruby-forum.com/u/gyngve)\
**Post date:** [February 12, 2010, 11:15am UTC](https://www.ruby-forum.com/t/migrating-merb-to-rails3/183340/2 "2010-02-12T11:15:33Z")

</div>

Gary,

> Is there a document anywhere on how to migrate merb w/ datamapper and  
> haml to rails3?

I don’t know about migrating Merb to Rails 3, but there’s a quick  
start guide for setting up Rails 3 with DataMapper with a one line  
command: (after installing the gem deps)

[http://github.com/dkubb/rails3\_datamapper/](http://github.com/dkubb/rails3_datamapper/)

–

Dan  
(dkubb)