Both do have quite a steep learning curve, and Nitrogen isn't that well documented yet. But the productivity increase for developing webapplications (compared to for instance php and smarty) is really amazing. I can get so much more done in the same time.
Although nitrogen runs out of the box on my macBook, it does not install smoothly on Linux.
Here's how I got the server for www.akulahjodohmu.com running:
1.
Install the dependencies. I'm running Debian and Erlang is in the repository. But it's an older version so I'll get a more recent one from the Erlang site in step 2. First:
apt-get install libncurses5-dev git openssl libssl-dev
2.
Get the release R14B04 from Erlang.org. Although R15 is available it's still very new and I'm not keen on running a fresh major release on a production system. R14B03 is been used a lot with Nitrogen, but unfortunately has a ssl Cache bug in it, which will leak memory if you use ssl. This project uses the Erlang inets and ssl modules to connect to Facebook.
3.
Now tar -zxvf the download and cd into its main directory
run make and after it make install
4.
Next, get the latest Nitrogen source from the website and run tar -zxvf nitrogen.tar.gz
cd into the main directory and run ./apps/get_mochiweb.sh
5.
If you run make now, it will probably complain about this:
The solution is to replace the line in ./rel/reltool.config that says:
{app, nitrogen, [{incl_cond, include}]},
with:
{app, nitrogen, [{incl_cond, include},
{mod, mochiglobal, [{incl_cond, exclude}]},
{mod, mochijson2, [{incl_cond, exclude}]}]},
This is a small adaption for the newer sources, for older versions look here.
6. now run make rel_mochiweb and you're good to go. Your complete Nitrogen server is in the ./rel/nitrogen directory and can be started from with ./nitrogen start from the ./rel/nitrogen/bin/ directory. The default site runs on http://[yourhost]:8000/
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