By Bruce Tate, Ezra Zygmuntowicz, Clinton Begin
First you'll how you can construct out your shared, digital, or devoted host. Then, you'll see find out how to construct your purposes for creation and install them with one step, at any time when. Deploying Rails purposes will take you from an easy shared host via a hugely scalable clustered and balanced setup with Nginx.
See how you can inform even if you've acquired adequate firepower, and the best way to optimize your Rails initiatives purposes in a systemic, rational approach. benefit from complicated caching suggestions, and turn into and specialist with the newest servers in Nginx and Mongrel. Don't fear. You'll get a dose of Apache too.
not just will you the way to configure your construction setting, you'll additionally see tips on how to visual display unit it with unfastened, automatic instruments which could restart your servers whilst the reminiscence use will get too excessive for convenience. You'll see find out how to take a functionality baseline, profile for bottlenecks, and resolve the most typical functionality difficulties you're prone to see.
every thing from resource keep watch over and migrations to Capistrano, rake initiatives and beyond.
at once from authors who run EngineYard, the best Rails hosts within the business.
tips on how to set up your purposes to a number of creation servers with a unmarried command utilizing Capistrano.
find out how to setup a Rails/Nginx/Mongrel cluster for functions with excessive scalabilty needs.
Read Online or Download Deploying Rails Applications: A Step-By-Step Guide PDF
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Extra info for Deploying Rails Applications: A Step-By-Step Guide
And that’s it. You can use the -p 8080 option to specify port 8080 and -e production to specify the production environment. In Chapter 4, Virtual and Dedicated Hosts, on page 72, you’ll learn more about configuring Mongrel for more advanced needs. In the meantime, your hosting provider probably has some documentation for their policies for dealing with Mongrel. Look them over, and follow them closely. You can point your browser at your domain name and see the starter application you built earlier.
More stuff ... If you’ve done any Rails development at all, you know these commands create your database, create your initial table for your Person model in a Rails migration, and create a simple scaffolding-based application that you can use to test your simple production setup. Next, you’ll move on to the web server configuration. Later, I’ll use this starter application to make sure things are working. 7 Configuring Your Web Server On most shared hosts, Rails can run with either the Apache or the lighttpd web server with FastCGI, but I recommend Mongrel behind Apache, nginx, or lighttpd instead if your host supports it.
Don't do this! send(param[:attribute])}" ... end 39 A PPLICATION I SSUES FOR D EPLOYMENT That code would work just fine as long as the user cooperated with you and picked “first_name” or “email” from a selection box. But if a Rails developer wanted to exploit your system, he could send data to your controller by opening a curl session and posting his own data. attribute=destroy_all Assume all user input is tainted. Not all metaprogramming is good. Don’t ever evaluate any data that comes from a user unless you’ve scrubbed it first.