flask run python script code example

Example 1: flask how to run app

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

Example 2: how to make a flask server in python

# This is the code
# Find me on discord ZDev1#4511
# We shouldn't install flask in the terminal, it is already imported
from flask import Flask

app = Flask(__name__)

# route
@app.route('/')
# route function
def home():
  # send 'hey!'
  return 'hey!'

# listen
if __name__ == "__main__":
  app.run(port=3000)
  # if you need to make it live debuging add 'debug=True'
  # app.run(port=3000, debug=True)
  
 # Hope you enjoyed ;)

Example 3: run flask app from script

# I am assuming that you have configured the app name as "app"

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