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flask_hello_world_server_with_waiter_port0_env.py
pythonA simple Flask-based web server that listens on a port provided by the $PORT0 env
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flask_hello_world_server_with_waiter_port0_env.py
1import os
2from flask import Flask
3
4app = Flask(__name__)
5
6@app.route('/')
7def hello():
8 return "Hello, Waiter!"
9
10if __name__ == '__main__':
11 # Waiter provides the port to listen on via the PORT0 environment variable
12 port = int(os.environ.get('PORT0', 8080))
13 app.run(host='0.0.0.0', port=port)