jims_flask_tutorial_readme.txt
----------------

My notes on the tutorial at 
  www.digitalocean.com/community/tutorials/
  how-to-make-a-web-application-using-flask-in-python-3

 -- Setting up a work folder
 $ mkdir flask   # create a folder to work in
 $ cd flask      # and go there

 Fetching the source code ; this creates ./flask_blog/
 $ git clone https://github.com/do-community/flask_blog

 -- Setting up a python virtual environment here :
 $ python -m venv env
 $ ls
 total 4
 0 flask_blog/ 0 env/  4 readme.txt

 -- Activating the virtual environment
 $ source env/bin/activate
 (flask_env) $ python --version
 Python.3.9.1
 (env) $ which python
 .../flask/flask_env/bin/python
 (env) $ which pip
 .../flask/flask_env/bin/python

 -- Install flask
 (env) $ pip install flask

 -- I already have sqlite3 ; on a mac one way to get it is
 (env) $ brew install sqlite3

 -- Initializing the database
 (env) $ cd flask_blog
 (env) $ python init_db.py   # create and initialize database.db
 (env) $ ls
 4 app.py        4 hello.py      4 schema.sql    0 templates/
 12 database.db   4 init_db.py    0 static/

 -- Running the flask development server (with debugging)
 (env) $ export FLASK_APP=app
 (env) $ export FLASK_ENV=development
 (env) $ cd flask_blog
 (env) $ flask run

... and then visit the site it tells you to with a browser.