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Cover image for How to build a Ruby on Rails app on AWS for beginners - Part 2.

How to build a Ruby on Rails app on AWS for beginners - Part 2.

Lee Wynne
Founder. AWS changed my life and I want to ensure that I pass some of that energy on, reach back and pull someone up as they say, especially young people regardless of education and background.
Updated on ・1 min read

Now it is time to provision our database. We are going to go with Postgres.

There are 2 ways to do this on AWS, we can either install Postgres into our ec2 Linux host, or we can provision the database separately in AWS LightSail as a PaaS RDS database.

In this example we are just going to install Postgres locally on our LightSail ec2 instance.

This is a fairly simple process, first of lets install a recent version of Postgres.

sudo apt install postgresql-11 libpq-dev
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Next up we we are going to setup our DB user.

sudo -u postgres createuser lee -s

# If you would like to set a password for the user, you can do the following

sudo -u postgres psql 
postgres=# \password lee
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That's it for installing and setting up PostGres within an EC2 instances.

Let's give this a whirl by creating your first Rails App.

rails new mynewrailsapp -d postgresql
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cd mynewrailsapp
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rails db:create
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rails server
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Visit http://localhost:3000 to view your new rails app

That should be it, you can then go ahead and create some of your models and migrations and start building your dreams.

Discussion (1)

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jenna profile image
Jenna

Whoa I didn't know that LightSail now did databases, I'll have to check that out for sure.

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