Запуск нескольких проектов Ruby on Rails на одном сервере.



Создаю второе приложение:

$ cd /home/marley/rails_projects

$ rails new myApp2


$ cd myApp2

$ vi Gemfile

добавил:

gem 'unicorn'
gem 'therubyracer'
gem 'execjs'


$ bundle install


// Делаю возможность различать приложения.

echo "App1" > /home/marley/rails_projects/myApp1/public/index.html
echo "App2" > /home/marley/rails_projects/myApp2/public/index.html



Меняю настройки DNS сервера домена:


Создал в настройках DNS домена A записи:

app1.sysadm.ru - ip адрес моего сервера
app2.sysadm.ru - ip адрес моего сервера

vi /home/marley/rails_projects/myApp1/config/unicorn.rb

worker_processes 2
working_directory "/home/marley/rails_projects/myApp1/"

preload_app true

timeout 30

listen "/home/marley/rails_projects/myApp1/tmp/sockets/unicorn.sock", :backlog => 64

pid "/home/marley/rails_projects/myApp1/tmp/pids/unicorn.pid"

stderr_path "/home/marley/rails_projects/myApp1/log/unicorn.stderr.log"
stdout_path "/home/marley/rails_projects/myApp1/log/unicorn.stdout.log"

before_fork do |server, worker|
    defined?(ActiveRecord::Base) and
        ActiveRecord::Base.connection.disconnect!
end

after_fork do |server, worker|
    defined?(ActiveRecord::Base) and
        ActiveRecord::Base.establish_connection
end

---

vi /home/marley/rails_projects/myApp2/config/unicorn.rb

worker_processes 2
working_directory "/home/marley/rails_projects/myApp2/"

preload_app true

timeout 30

listen "/home/marley/rails_projects/myApp2/tmp/sockets/unicorn.sock", :backlog => 64

pid "/home/marley/rails_projects/myApp2/tmp/pids/unicorn.pid"

stderr_path "/home/marley/rails_projects/myApp2/log/unicorn.stderr.log"
stdout_path "/home/marley/rails_projects/myApp2/log/unicorn.stdout.log"

before_fork do |server, worker|
    defined?(ActiveRecord::Base) and
        ActiveRecord::Base.connection.disconnect!
end

after_fork do |server, worker|
    defined?(ActiveRecord::Base) and
        ActiveRecord::Base.establish_connection
end

Теперь нам нужно запустить unicorn как демон, для каждого проекта свой:

$ cd /home/marley/rails_projects/myApp1
$ unicorn_rails -c config/unicorn.rb -E production -D

$ cd /home/marley/rails_projects/myApp2
$ unicorn_rails -c config/unicorn.rb -E production -D

Инсталлирую сервер nginx

# yum install -y nginx

# cp /etc/nginx/nginx.conf /etc/nginx/nginx.conf.bkp


# vi /etc/nginx/nginx.conf


...
http {

    ...

    upstream app1.sysadm.ru {
        # путь должен совпадать с тем, что в конфиге unicorn.rb
        server unix:/home/marley/rails_projects/myApp1/tmp/sockets/unicorn.sock;
    }

    upstream app2.sysadm.ru {
        server unix:/home/marley/rails_projects/myApp2/tmp/sockets/unicorn.sock;
    }
}




# vi /etc/nginx/conf.d/myApp1.conf



server {
    listen 8080;
    server_name app1.sysadm.ru;

    location / {

        root /home/marley/rails_projects/myApp1/public;

        if (!-f $request_filename) {
            #делаем проксипасс на первый поток
            proxy_pass http://app1.sysadm.ru; 
            break;
        }
    }

}


# vi /etc/nginx/conf.d/myApp2.conf


server {
    listen 8080;
    server_name app2.sysadm.ru;

    location / {

        root /home/marley/rails_projects/myApp2/public;

        if (!-f $request_filename) {
            #делаем проксипасс на второй поток
            proxy_pass http://app2.sysadm.ru; 
            break;
        }
    }

}




service nginx restart



http://app1.sysadm.ru:8080/index.html

App1 

http://app2.sysadm.ru:8080/index.html

App2