In terminal cd your project directory and type below command to create virtualenv.
$ virtualenv venv
Once virtualenv setup activate it using below command. Activate virtualenv
$ source venv/bin/activate
(venv) $ _
(venv) $ pip install flask
- After installing flask, create
__init__.py
file inapp
package of application. - Define view function in
app/routes.py
. - Create top-level script
microblog.py
which defines Flask application instance.
(venv) $ export FLASK_APP=microblog.py
(venv) $ export DATABASE_URL="sqlite:////path/to/app.db"
(venv) $ flask run