flask debug
$ export FLASK_ENV=development
$ flask run
flask debug
$ export FLASK_ENV=development
$ flask run
flask how to run app
$ export FLASK_APP=hello.py
$ python -m flask run
* Running on http://127.0.0.1:5000/
flask debug
app.run(debug=True)
default flask app
from flask import Flask
app = Flask(__name__)
@app.route('/')
def index():
return 'Flask'
run flask in debug mode
export FLASK_ENV=development
# To launch the app (Needed only once)
flask run
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