Cloudflare Containers is Here! One-Click Deploy, Global Execution!

Cloudflare Containers: Deploy Flask apps globally with one click. No servers needed. Pay-per-millisecond pricing. Plus Claude Code AI development guide.

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Today, Cloudflare officially launched its Containers service.

The problems of various environments and dependencies that previously prevented migration to Cloudflare Workers have now been completely resolved.

No more language restrictions - data processing, backend services, AI inference, and code sandboxes can all be deployed and run with one click.

This time, we'll use a familiar Python Flask application as an example to see just how simple it is to get started, and we'll also analyze the specific monthly costs later.

To deploy a Flask application on Cloudflare, you only need three files.

Source code file - a basic Flask application that returns a welcome message at the root path.

# app.py
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
    return 'Hello from Flask, running on Cloudflare Containers!'
# The container will communicate with the outside world through this port
if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)

Dockerfile - The Dockerfile describes how to package your Flask application into a standard container image.