Python/Flask
< Python
Flask
Installation
## Linux / macOS mkdir myproject cd myproject # python3 -m venv .flask python3 -m venv .venv . .venv/bin/activate
## Windows mkdir myproject cd myproject py -3 -m venv .venv .venv\Scripts\activate
## Next Common Step # pip install Flask pip3 install Flask
# End deactivate
References:
Quick Start
Hello World
helloworld.py
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello_world():
return "<p>Hello, World!</p>"
Run the server:
flask --app helloworld run
WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
Note:
* Running on http://127.0.0.1:5000
Test the server:
curl http://127.0.0.1:5000
Hello, World!
References: