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PREREQUISITES.md

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Database

Our production application runs on postgresql.

  • Mac OS X: brew install postgresql.
  • Ubuntu/Debian: sudo apt-get install postgresql postgresql-contrib.
  • Fedora/Red Hat/CentOS: sudo yum install postgresql-server postgresql-contrib.

Creating a database

Create a database named crowdai_development using postgresql

  • Log into psql server using: sudo -u postgres psql.
  • You will be prompted with postgres=#.
  • Create a new database using: CREATE DATABASE crowdai_development.

Ruby

Install rvm for Ruby management (http://rvm.io)

curl -L https://get.rvm.io | bash -s stable

Note: At this point during the process, you may want to log out and log back in, or open a new terminal window; RVM will then properly load in your environment.

Ubuntu users: You may need to enable Run command as a login shell in Ubuntu's Terminal, under Edit > Profile Preferences > Title and Command. Then close the terminal and reopen it. You may also want to run source ~/.rvm/scripts/rvm to load RVM.

Then, use RVM to install version 2.5.1 of Ruby:

rvm install 2.5.1

Gems with Bundler

Ruby dependencies, or Gems, are managed with Bundler.

gem install bundler - if it's not already installed, but it should be in a basic RVM ruby.

Assets with npm

Install npm using: sudo apt-get install npm

Install npm packages using: npm install ..

NOTE: If you're having permission issues, please see https://docs.npmjs.com/getting-started/fixing-npm-permissions

WARNING: Please refrain from using sudo npm as it's not only a bad practice, but may also put your security at a risk. For more on this, read https://pawelgrzybek.com/fix-priviliges-and-never-again-use-sudo-with-npm/