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  • How to deploy Ruby on Rails with Nginx on Ubuntu 14.04 ?

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    Ruby on Rails runs on web server Webrick. But in order to deploy Ruby on Rails with Nginx server we will need Passenger too.

    Install Passenger and Ngnix

    First install PGP key

    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 561F9B9CAC40B2F7

    Create APT source file

    sudo nano /etc/apt/sources.list.d/passenger.list

    Insert following lines in the file:

    deb https://oss-binaries.phusionpassenger.com/apt/passenger trusty main

    Now in order to save the file, press Ctrl+x, then type y to save it and press Enter to confirm location.

    Change owner and permissions of the file

    sudo chown root: /etc/apt/sources.list.d/passenger.list
    sudo chmod 600 /etc/apt/sources.list.d/passenger.list

    Update the packages

    sudo apt-get update

    Now final step is to install Nginx and Passenger

    sudo apt-get install nginx-extras passenger

    Overwrite Ruby to an older version

    sudo rm /usr/bin/ruby
    sudo ln -s /usr/local/bin/ruby /usr/bin/ruby

    Setup Web Server

    Open the Configuration file by typing

    sudo nano /etc/nginx/nginx.conf

    Find the following lines on Configuration file:

    # passenger_root /usr/lib/ruby/vendor_ruby/phusion_passenger/locations.ini;
    # passenger_ruby /usr/bin/ruby;

    Uncomment these lines:

    passenger_root /usr/lib/ruby/vendor_ruby/phusion_passenger/locations.ini;
    passenger_ruby /usr/local/bin/ruby;

    Now lets deploy Ruby on Rails app with Nginx and Passenger

    cd ~
    sudo gem install --no-rdoc --no-ri rails
    rails new testapp --skip-bundle
    cd testapp
    nano Gemfile
    # gem 'therubyracer',  platforms: :ruby
    gem 'therubyracer',  platforms: :ruby
    bundle install

    We need to disable Nginx configuration

    sudo nano /etc/nginx/sites-available/default

    Find these lines:

    listen 80 default_server;
    listen [::]:80 default_server ipv6only=on;

    Comment these lines

    # listen 80 default_server;
    # listen [::]:80 default_server ipv6only=on;

    Save this file and create Nginx configuration file for our app:

    sudo nano /etc/nginx/sites-available/testapp

    Add the following server block. The settings are explained below.

    server {
      listen 80 default_server;
      server_name www.mydomain.com;
      passenger_enabled on;
      passenger_app_env development;
      root /home/rails/testapp/public;
    }

    Save the file (CTRL+x, y, ENTER).

    Create a symlink for it:

    sudo ln -s /etc/nginx/sites-available/testapp /etc/nginx/sites-enabled/testapp

    Restart Nginx:

    sudo nginx -s reload

    Now your app's website should be accessible. Navigate to your domain or IP address:

    http://ip_address or http://locahost

    Thats all!

    Thanks for reading the blog

    How to deploy Ruby on Rails with Nginx on Ubuntu 14.04 ?

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