ElasticSearch Demo on Rails

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.

Prerequisites

What things you need to install the software and how to install them

• Ruby 2.4.2
• Rails 5.1.4
• ElasticSearch 6.0
• Postgres - versions 9.1 or above.

Installing

Following steps should get the project up and running:

1) Clone the repository

git clone [email protected]:raafa16/article-elasticsearch-demo.git

2) Install gem and database dependencies

bundle install
rake db:create
rake db:migrate
rake db:seed #only in development mode

3) Install Elastic Search in local machine

deb:

sudo apt-get install openjdk-8-jre
curl -L -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.0.0.deb
sudo dpkg -i elasticsearch-6.0.0.deb
sudo /etc/init.d/elasticsearch start

rpm:

sudo yum install java-1.8.0-openjdk
curl -L -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.0.0.rpm
sudo rpm -i elasticsearch-6.0.0.rpm
sudo service elasticsearch start

mac:

# install Java, e.g. from: https://www.java.com/en/download/manual.jsp
curl -L -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.0.0.zip
unzip elasticsearch-6.0.0.zip
cd elasticsearch-6.0.0
./bin/elasticsearch

Verify successful installation by hitting: http://127.0.0.1:9200 from your browser There should a nice output like this:

{
  "name" : "QZQnCeK",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "xBi7a3k_Spu4k5iijCwihQ",
  "version" : {
    "number" : "6.0.0",
    "build_hash" : "8f0685b",
    "build_date" : "2017-11-10T18:41:22.859Z",
    "build_snapshot" : false,
    "lucene_version" : "7.0.1",
    "minimum_wire_compatibility_version" : "5.6.0",
    "minimum_index_compatibility_version" : "5.0.0"
  },
  "tagline" : "You Know, for Search"
}

Database setup and Article Indexing

rake db:create
rake db:migrate

Before seeding, make sure to comment out the last line: 'Article.import force:true' on article.rb. Then run:

rake db:seed
rails console
Article.import force:true
rails s -p 3000

...and you are good to go!