Trying to connect to a mongodb instance on ec2 with mongoid as orm in rails

Question

basically I have a mongodb instance running and working on ec2. On the side I have a rails 3.2 app with mongoid as orm working on local. What I want to do next is try to connect my rails app to the mongodb instance using mongoid. Also, intending to host my rails app on Dotcloud later Ran the code `rails g mongoid:config` to generate the mongoid.yml file with the following code: ``` development: host: localhost database: mongotest_development test: host: localhost database: mongotest_test set these environment variables on your prod server production: host: <%= ENV['MONGOID_HOST'] %> port: <%= ENV['MONGOID_PORT'] %> username: <%= ENV['MONGOID_USERNAME'] %> password: <%= ENV['MONGOID_PASSWORD'] %> database: <%= ENV['MONGOID_DATABASE'] %> # slaves: # - host: slave1.local # port: 27018 # - host: slave2.local # port: 27019 ``` From here onwards, I don't think I have a clear picture of how all this is going to work. But I did some trial and error. Firstly I wanted to try connecting to the m…

Accepted Answer

Ok finally found the problem. In the mongodb.conf file, there is a setting which called

```
bind_ip = 127.0.0.1
```

I was blind to not notice this, it means that the server can only be access locally and not externally, hence the fail connection error. A quick fix would be to change it to

```
bind_ip = 0.0.0.0
```

and it works. But thanks for the advice guys.

Trying to connect to a mongodb instance on ec2 with mongoid as orm in rails

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