Install Flask

Procedure

Inside of virtual environment.

• Basics python3 virtual environment:

# virtualenv -p python3 PATH_TO_VE // Create VE
# cd PATH_TO_VE                    // Enter the VE
# chsh -s bash                     // Set Bash as comman line lenguage
# source bin/activate              // Enable VE
# deactivate                       // Disabla VE

• Install Flask

# pip install Flask

• Create Flask App (Inside app.py):

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello():
    return "Hello World!"

• Start Flask service

# export FLASK_APP=app.py
# flask run

• Set UTF-8 enconding (US encoding):

## export LC_ALL=en_US.UTF-8
## export LANG=en_US.UTF-8

Official Documentation

• Flask Documentation.

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