How to Deploy Flask on Vercel

Introduction:

Are you eager to deploy your Flask application on Vercel? Look no further! In this step-by-step guide, we will walk you through the process of deploying your Flask app on Vercel with a practical example. Discover how to harness the power of Vercel's serverless deployment platform to effortlessly scale and manage your Flask app. Let's dive in!

Step 1: Sign Up for a Vercel Account

If you haven't already, head over to the vercel website (vercel.com) and sign up for a Vercel account. Creating an account is simple and will enable you to deploy and manage your Flask app effectively.

Step 2: Install the Vercel CLI

To proceed with deploying your Flask app, you need to install the Vercel command-line interface (CLI). Open your terminal or command prompt and execute the following command:

npm install -g vercel

Step 3: Create Simple Flask App

#app.py

from flask import Flask

app = Flask(__name__)

@app.route('/')
def hello():
    return "Hello, World!"

if __name__ == '__main__':
    app.run()

Step 4: vercel.json

{
    "version": 2,
    "builds": [
        {
            "src": "app.py",
            "use": "@vercel/python"
        }
    ],
    "routes": [
        {
            "src": "/(.*)",
            "dest": "app.py"
        }
    ]
}

Step 5: Requirements.txt

pip freeze > requirements.txt

Step 6: Deploy Your Flask App

Now, it's time to deploy your Flask app on Vercel. Execute the following command in your terminal or command prompt:

vercel deploy

Vercel will initiate the build and deployment process for your Flask app. Once completed, you will receive a unique URL where your application is now live and accessible.

Step 7: Production

vercel --prod

Congratulations! Your Flask application is successfully deployed on Vercel. Validate the functionality of your app by accessing the provided URL in your preferred browser. With Vercel, you can seamlessly scale your Flask app to handle increased traffic and load. Explore the Vercel dashboard to monitor and effectively manage your deployed Flask app.

Conclusion:

Deploying your Flask application on Vercel is a breeze with the help of this step-by-step guide. By following the outlined steps and using the example provided, you can effortlessly deploy and scale your Flask app on Vercel's powerful serverless deployment platform. Take advantage of Vercel's features to manage your Flask app with ease. Get started today and unlock the full potential of deploying Flask on Vercel!