Database Reference
In-Depth Information
Chapter 3. Postgres Add-on
In this chapter, you will learn about the Postgres add-on, how to configure your local devel-
opment environment, how to use the add-on, how to create your database, and how to con-
nect using different programming languages. In addition, you will learn about connection
permissions, how to connect in the database, and how to use databases that are not hosted
on Heroku. You will also learn the first concepts of monitoring, information logs, and how
to remove the add-on.
In this chapter, we will cover the following topics:
• Local setup
• Creating a new app
• Adding the add-on and creating the first database
• The Heroku Postgres web interface
• Using the Heroku client with Postgres
• Connecting with Java
• Connecting with Ruby
• Connecting with Python
• Connecting with Node.js
• Connection permissions
• External connections
• Connecting to databases from outside Heroku
• Monitoring and logging
• Removing the add-on
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