If you don't want to commit sensitive info to your database.yml file, don't use 
your database.yml file. Instead set an environment variable with 
DATABASE_URL=yourconnectionstring  

This is supported on Rails 4.0 as far as I know, if you run into problems 
message me, I'll be happy to take a look. 

In general ask yourself, "can I open source my project if I really wanted to 
right now without opening up a giant security flaw". If the answer is no, put 
whatever sensitive data opens that flaw into an environment variable and then 
have your ruby code read from that variable like: ENV["DATABASE_URL"]. 

In development i use Foreman and a .env file for sensitive credentials. In 
production you could use the same, put it in your bash files, or use config 
vars if you're using Heroku.

Related: http://www.12factor.net/config

-- 
Richard Schneeman
http://heroku.com

@schneems (http://twitter.com/schneems)




On Friday, October 5, 2012 at 11:54 AM, Robert Evans wrote:

> It's a pretty common practice (and best practice) to not include your 
> config/database.yml file inside your git repo. I'd like to add 
> config/database.yml to the generated .gitignore file when creating a new 
> rails application. Any objects, concerns, etc. before I got submit a PR?
> 
> Thanks! 
> 
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