How to Create a Flask App on Replit

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This tutorial shows how to set up a new Flask project in Replit using the Agent and get it running in the workspace.

Note: Flask is a Python micro-framework used for building web apps and APIs. You need a Replit account to get started. Sign up at replit.com if you don't have one yet.

1. Sign in to your account at replit.com. On the dashboard, click + Create Something New.
2. In the prompt, type "Create a Python project with Flask installed" and click the Arrow button to run. The Agent sets up the environment automatically.
3. Wait for Replit to set up the environment, then click the Open Files icon in the top-right corner and click File tree.
4. Review the generated project structure. Replit creates:

• main.py – contains your Flask app logic and routes
• pyproject.toml – manages dependencies

5. Click main.py to open it in the editor - for example, add a route that returns a Q3 performance summary for a SaaS team.
6. Click the Run button at the top of the workspace. Replit starts the Flask server and displays the local URL in the Console panel on the right.
7. To add a package, ask the Agent - for example, "Add SQLAlchemy to this project" - and it will install it and update your dependencies automatically.