![]() Side note: You can use the name of any valid database when calling psql. To enter the psql environment: psql postgres The homebrew installation of Postgres comes prepackaged with psql, a command-line interface for your local Postgres server. To start and stop the server: brew services start postgresql brew services stop postgresql # You can check the status of your server at any time: brew services list 2. Homebrew will initialize a user and give it the username of whichever account is currently logged in on macOS (replacing YOUR_USERNAME in the above example). You can check your server status by typing brew services list which should return the following output: Name Status User Plist postgresql started YOUR_USERNAME /Users/YOUR_USERNAME/Library/Launch Agents/ unbound stopped Homebrew starts the server and creates a default database named postgres automatically upon installation. You will need to manage the server on its own, setting up the user(s) and database(s) before connecting them to Rails. Postgres hosts the databases on a local server that can be turned on and off. With Rails and sqlite3, databases are individual files, generated and managed directly by ActiveRecord. Install Postgres using Homebrew brew install postgresql I opted for a command-line install as I wanted to get my hands dirty and understand how to interact with a bare-bones Postgres server without the help of a graphic user interface. Postico connects to an existing server, providing another GUI. ![]() PgAdmin comes automatically with the installer provided by the Postgres website. ![]() Postgres.app is a GUI that will also download and initialize a Postgres server for you. There are multiple options when it comes to installing and managing Postgres. I figured it’d be a good idea to set up a local Postgres server to familiarize myself with the framework. Unfortunately, the framework isn’t supported by Heroku, which requires your code to utilize Postgres to function. As the name implies, it’s a lightweight SQL-based database system that works straight out of the box. The default database framework installed with Rails is sqlite3. ![]()
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