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![Configuration details – <VirtualHost *:80> ServerName sfftest.mooo.com ServerAlias sfftest.codesymmetry.com # Presuming your rails app is at /var/www/test DocumentRoot /var/www/rails/saudi_fantasy_football/current/public <Directory "/var/www/rails/saudi_fantasy_football/current/public"> Options FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory> # Configure mongrel_cluster <Proxy balancer://sff_mongrel_cluster> BalancerMember http://127.0.0.1:8000 BalancerMember http://127.0.0.1:8001 BalancerMember http://127.0.0.1:8002 </Proxy> ProxyPass / balancer://sff_mongrel_cluster/ ProxyPassReverse / balancer://sff_mongrel_cluster/ # These directories should always be served up by Apache, since they contain static content. Or just let rails do it. ProxyPass /images ! ProxyPass /stylesheets ! ProxyPass /javascripts ! ProxyPass /favicon.ico ! RewriteEngine On # Check for maintenance file and redirect all requests # ( this is for use with Capistrano's disable_web task ) RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f RewriteCond %{SCRIPT_FILENAME} !maintenance.html RewriteRule ^.*$ %{DOCUMENT_ROOT}/system/maintenance.html [L] # Important rule to prevent exposure of subversion files if you are deploying with Capistrano ! RewriteRule ^(.*/)?\.svn/ - [F,L] # Rewrite index to check for static RewriteRule ^/$ /index.html [QSA] # Rewrite to check for Rails cached page RewriteRule ^([^.]+)$ $1.html [QSA] # Redirect all non-static requests to cluster RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f RewriteRule ^/(.*)$ balancer://sff_mongrel_cluster%{REQUEST_URI} [P,QSA,L] </VirtualHost>](https://image.slidesharecdn.com/rubyonrails-100119014108-phpapp01/85/Deploy-Rails-Application-by-Capistrano-7-320.jpg)
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Deploy Rails Application by Capistrano
- 1. Deploy Rails ApplicationsHow to Deploy Rails Application by Capistrano By Shishir Kumar Saha tekSymmetry, LLC
- 2. Introduction ConfigureRails Environment Setup Capistrano Apache virtual host configuration Configure mongrel cluster Configure multiple virtual hosts
- 3. Configure Rails EnvironmentRuby RubyGems - RubyGems is a package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and libraries Ruby on Rails Mongrel - Mongrel is a fast, stand-alone HTTP library and server for Ruby. It is also a Gem. Subversion - Subversion is an open-source version control system Capistrano - Capistrano is a utility which is used to automate the deployment of Rails applications Mysql
- 4. Setup Capistrano Installationcommand – sudo gem install capistrano --include-dependencies Deploy command – Go to your local rails application directory and just write cap deploy cap deploy:migrations That’s all ……… your deploy process is already finished !!!
- 5. How to configure?Create a user – useradd username passwd username Create a deploy directory – cd /var/www/rails mkdir new_rails_application Change ownership of deploy directory – chown –R /var/www/rails/new_rails_application Go to Sites-enabled direcctory and create individual virtual host files as below– cd /etc/apache2/sites-enabled/ 001-test_saudi_fantasy_football 002-test_gulf_hotelz These individual file will cover virtual host, mongrel cluster and reverse proxy configuration Apache configuration
- 6. About sites-enabled directoryWhat is "sites-enabled" directory in apache configuration path Why it needs? Some Apache installations (such as the default installs on Debian and Ubuntu) by default define a global virtual host that shares /var/www as the document root. This may lead to problems with your install. If you access your site and see nothing but a directory listing, then you’re affected by this problem. The solution is to remove the “default” site from your /etc/apache2/sites-enabled directory. This is called something like default or 000-default .
- 7. Configuration details –<VirtualHost *:80> ServerName sfftest.mooo.com ServerAlias sfftest.codesymmetry.com # Presuming your rails app is at /var/www/test DocumentRoot /var/www/rails/saudi_fantasy_football/current/public <Directory "/var/www/rails/saudi_fantasy_football/current/public"> Options FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory> # Configure mongrel_cluster <Proxy balancer://sff_mongrel_cluster> BalancerMember http://127.0.0.1:8000 BalancerMember http://127.0.0.1:8001 BalancerMember http://127.0.0.1:8002 </Proxy> ProxyPass / balancer://sff_mongrel_cluster/ ProxyPassReverse / balancer://sff_mongrel_cluster/ # These directories should always be served up by Apache, since they contain static content. Or just let rails do it. ProxyPass /images ! ProxyPass /stylesheets ! ProxyPass /javascripts ! ProxyPass /favicon.ico ! RewriteEngine On # Check for maintenance file and redirect all requests # ( this is for use with Capistrano's disable_web task ) RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f RewriteCond %{SCRIPT_FILENAME} !maintenance.html RewriteRule ^.*$ %{DOCUMENT_ROOT}/system/maintenance.html [L] # Important rule to prevent exposure of subversion files if you are deploying with Capistrano ! RewriteRule ^(.*/)?\.svn/ - [F,L] # Rewrite index to check for static RewriteRule ^/$ /index.html [QSA] # Rewrite to check for Rails cached page RewriteRule ^([^.]+)$ $1.html [QSA] # Redirect all non-static requests to cluster RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f RewriteRule ^/(.*)$ balancer://sff_mongrel_cluster%{REQUEST_URI} [P,QSA,L] </VirtualHost>
- 8. Virtual Host refersto the practice of maintaining more than one server on one machine, as differentiated by their apparent hostname. For example, it is often desirable for companies sharing a web server to have their own domains, with web servers accessible as www.company1.com www.company2.com, Virtual host
- 9. Virtual host configuration<VirtualHost *:80> ServerName sfftest.mooo.com ServerAlias sfftest.codesymmetry.com # Presuming your rails app is at /var/www/test DocumentRoot /var/www/rails/saudi_fantasy_football/current/public
- 10. Apache reverse proxyForward Proxies and Reverse Proxies Forward proxy provide Internet access to internal clients that are restricted by a firewall. The forward proxy can also use caching (as provided by mod_cache) to reduce network usage. ProxyRequests On ProxyVia On <Proxy *> Order deny,allow Deny from all Allow from internal.example.com </Proxy> Reverse proxy provide Internet users access to a server that is behind a firewall. Reverse proxies can also be used to balance load among several back-end servers, or to provide caching for a slower back-end server ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy>
- 11. Mongrel cluster Mongrel_clusteris a plugin that wrappers the mongrel HTTP server and simplifies the deployment of webapps using a cluster of mongrel servers
- 12. Apache reverse proxyand Mongrel cluster <Directory "/var/www/rails/saudi_fantasy_football/current/public"> Options FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory> # Configure mongrel_cluster <Proxy balancer://sff_mongrel_cluster> BalancerMember http://127.0.0.1:8000 BalancerMember http://127.0.0.1:8001 BalancerMember http://127.0.0.1:8002 </Proxy> ProxyPass / balancer://sff_mongrel_cluster/ ProxyPassReverse / balancer://sff_mongrel_cluster/
- 13. Deploy.rb Directory /config/deploy.rbrequire 'mongrel_cluster/recipes' set :application, "saudi_fantasy_football" set :repository, "svn://sfftest.mooo.com/saudi_fantasy_football/trunk/development/web" set :scm_username, “david@teksymmetry.net" set :scm_password, “david" # If you aren't deploying to /u/apps/#{application} on the target # servers (which is the default), you can specify the actual location # via the :deploy_to variable: set :deploy_to, "/var/www/rails/#{application}" # set :app_server, :passenger set :use_sudo, false set :mongrel_conf, "#{current_path}/config/mongrel_cluster.yml" # If you aren't using Subversion to manage your source code, specify # your SCM below: # set :scm, :subversion role :app, "sfftest.mooo.com", :user => "sff" role :web, "sfftest.mooo.com", :user => "sff" role :db, "sfftest.mooo.com", :user => "sff", :primary => true
- 14. Deploy.rb # Configureproduction database namespace :database do desc "Create database configuration file" task :production do run "rm #{current_path}/config/database.yml" configuration = { "production" => { "adapter" => "mysql", "database" => "saudi_fantasy_football_production", "encoding" => "utf8", "pool" => 5, "timeout" => 5000, "username" => "sfftest", "password" => “sfftest" } } put configuration.to_yaml, "#{current_path}/config/database.yml" end end after "deploy:update", "database:production"
- 15. Deploy.rb # Configuremongrel cluster configuration namespace :mongrel do desc "Configure mongrel cluster" task :configure do configuration = { "log_file" => "log/mongrel.log", "port" => "8000", "pid_file" => "tmp/pids/mongrel.pid", "environment" => "production", "servers" => 3 } put configuration.to_yaml, "#{current_path}/config/mongrel_cluster.yml" end desc "Restart mongrel" task :restart do sudo "mongrel_cluster_ctl restart -c #{current_path}/config/mongrel_cluster.yml -v" end end after "deploy:update", "mongrel:configure"
- 16. Multiple virtual hostingJust create a new configuration file in /etc/apache2/sites-enabled/ directory maintaining the naming order ie., 003-test_gulf_auto
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