Export flask app

Simple flask app

# Extremely simple flask application, will display 'Hello World!' on the screen when you run it
# Access it by running it, then going to whatever port its running on (It'll say which port it's running on).
from flask import Flask
app = Flask(__name__)

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

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

Source: flask.palletsprojects.com

Flask how to run app

$ export FLASK_APP=hello.py
$ python -m flask run
 * Running on http://127.0.0.1:5000/

Source: flask.palletsprojects.com

Export flask app

> set FLASK_APP=hello
> flask run

Source: flask.palletsprojects.com

Similar codes

2 votes231 views1 answer
Check if user log in flask
Python Flask
6 votes234 views4 answers
Flask get with parameters
Python Flask
5 votes200 views3 answers
How to add images in hml while using flask
Python Flask
1 vote243 views1 answer
Flask blueprints
Python Flask
6 votes215 views1 answer
Selectfield flask wtf
Python Flask
0 vote212 views1 answer
Sessions in flask
Python Flask
4 votes167 views1 answer
Cannot import name 'flask' from partially initialized module 'flask' (most likely due to a circular import)
Python Flask
6 votes199 views2 answers
Docker flask
Python Flask
0 vote225 views1 answer
Python flask models user
Python Flask
1 vote205 views1 answer
Requirements.txt flask
Python Flask