tsipiniuk

🚂 Deploy Ubuntu 16.04 Rails Server on Digital Ocean

using Unicorn, Nginx, PostgreSQL, active_storage, Amazon S3. Combined summary of all guides.

💧 1. Basic Droplet/SSH Set Up

Create Droplet: Ubuntu 16.04

Your root password is e-mailed to you.

tsipiniuk

From star history:

• PAAS comparison
• flynn vs deis
• PAAS for microservices simple review
• Google Omega Paper

tsipiniuk

if ($request_uri ~* ^(.+)\?page=1$) {
  set $dom_prefix $1;
  set $args '';
  rewrite ^(.*)$ $scheme://$host$dom_prefix permanent;
  break;
}
if ($request_uri ~* ^(.+)\?page=(\d+)$) {
  set $dom_prefix $1;
  set $page $2;
  set $args '';

tsipiniuk

INSTALL JAVA
$ sudo apt-get update && sudo apt-get install default-jre

INSTALL ELASTIC SEARCH https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-repositories.html
$ wget -qO - https://packages.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
$ echo "deb https://packages.elastic.co/elasticsearch/2.x/debian stable main" | sudo tee -a /etc/apt/sources.list.d/elasticsearch-2.x.list
$ sudo apt-get update && sudo apt-get install elasticsearch
$ sudo update-rc.d elasticsearch defaults 95 10
$ sudo service elasticsearch restart
$ sudo service elasticsearch status

tsipiniuk

class Attachment < ActiveRecord::Base
  mount_uploader :attachment, AttachmentUploader

  # Associations

  belongs_to :attached_item, polymorphic: true

  # Validations

  validates_presence_of :attachment

tsipiniuk

DigitalOcean Rails/Ubuntu/NGINX (16.04) Setup

1. Setup
2. Swapfile
3. NGINX
4. ElasticSearch
5. RVM
6. Rails
7. Postgres
8. Capistrano

tsipiniuk

class Controller
  include LazyLoad

  def show
    @model = Model.find(...)

    respond_to do |format|
      format.html do
        @html_specific_data = Model.find(...)
      end

tsipiniuk

  $.rails.allowAction = function(element) {
    var message = element.data('confirm');
    if (!message) {
      return true;
    }

    bootbox.confirm(message, function(result) {
      if (result) {
        $.rails.handleMethod(element);
      }