Initial Setup

Get Phoenix installed and create your first web application. This guide walks you through installation and building your first Phoenix app.

🎯 What You’ll Accomplish

By the end of this tutorial, you’ll have:

• ✅ Elixir and Phoenix installed
• ✅ Your first Phoenix project created
• ✅ Development server running

📋 Prerequisites

• Elixir 1.14 or later
• PostgreSQL installed
• Node.js (for asset compilation)

💾 Step 1: Install Phoenix

mix archive.install hex phx_new

🚀 Step 2: Create Your First Project

mix phx.new myapp
cd myapp

🔧 Step 3: Configure Database

Edit config/dev.exs and update database credentials if needed.

Create database:

mix ecto.create

📊 Step 4: Start the Server

mix phx.server

Visit http://localhost:4000 to see your Phoenix app.

✅ Verification Checklist

Before moving forward, verify:

• Phoenix installed successfully
• Project created without errors
• Database created
• Server runs and loads in browser

🎉 You’re Done!

You’ve successfully installed Phoenix and created your first web application.

📚 What’s Next?

Quick learner: Elixir Phoenix Quick Start

Code-first learner: Elixir Phoenix By Example