Flask アプリケーションのホスティング方法

pip install flask

# Import the Flask class from the flask module
from flask import Flask

# Create an instance of the Flask class
app = Flask(__name__)

# Define a route for the root URL (/) that returns 'Hello, World!'
@app.route('/')
def hello_world():
  return 'Hello, World!'

# Check if this script is being run directly (not imported as a module)
if __name__ == '__main__':
  # Run the Flask application on host 0.0.0.0 (all available network interfaces) and port 80
  app.run(host='0.0.0.0', port=80)