Use Devin to build and ship a small app

They used Devin to turn an empty repo into a deployed City Explorer app in about 90 minutes.

Done with Devin· Beginner

What they did
The author signed up for Devin’s Core plan and pointed it at a blank GitHub repository. They asked for a City Explorer dashboard with city images, weather, and news, and Devin worked inside its own cloud VM. It created a FastAPI backend and React frontend, added env files and routes, wired in placeholder integrations, tested the app locally, opened a pull request, and deployed it. The author only had to approve or clarify a couple of prompts.
How it went
A working app was live in roughly 90 minutes from a fresh repo. The author found Devin fast when handling pull request feedback, but less reliable with older monorepos and custom infrastructure. Broader requests also used more compute units.
Tips
Keep the task tightly focused and start with the smallest version that can work. Ask the agent to pause before any deployment or other action that could create cost, and shut down idle sessions to limit spending.

Try it yourself with Devin

Build a simple [type of app] in a new GitHub repo. Start with the smallest useful version, and use [frameworks or stack, if any] if that helps you move faster. Tell me your plan and a rough estimate before you begin, then check in when you need a choice from me. Before you deploy, send anything, delete anything, or make any paid change, stop and ask for my approval first. When you finish, give me the live link plus a short list of what works and what still needs work.

Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.

Read the original on medium.com ↗

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