Your First Build
Explore how to create a working web app from a product brief using the Lovable AI tool. Learn to craft precise prompts, identify and describe specific issues, and iteratively guide AI to fix and polish your app. This lesson helps you understand testing, debugging, and publishing your first live app with effective AI collaboration.
You have a product brief. Maybe you expanded it into a full plan with an AI assistant. You have been thinking about what to build for an entire lesson without touching a single tool. Now you open one, type a description, and hit enter. A working app appears in under a minute.
It also has three things wrong with it before you even finish clicking around.
That is not a failure. That is the starting line. This lesson covers getting a working app from your brief and steering the AI through rounds of feedback until it matches what you actually had in mind.
How do you get into Lovable?
Go to lovable.dev and create a free account. No downloads, no installations, nothing to configure on your computer. The entire tool runs in your browser.
Once you are logged in, you will see a dashboard with a prompt input area front and center.
This is where every project begins. You describe what you want to build, and Lovable builds it. There is no setup wizard. There is no blank canvas staring back at you. Just a text field and a question: what do you want to make?
What does a good first prompt look like?
Your product brief from Lesson 3 is not a prompt yet. A brief answers "what am I building and for whom?" A prompt tells the AI "build this specific thing with these specific features, this structure, and this visual style." The difference is precision and format.
Take your brief, and if you expanded it into a detailed plan, pull from that too. Condense it into a single message that covers four ...