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Flask Now UI Dashboard

Open-source Flask Dashboard generated by AppSeed op top of a modern design. Now UI Dashboard is a responsive Bootstrap 4 kit provided for free by Invision and Creative Tim. Now UI Dashboard comes packed with all plugins that you might need inside a project and documentation on how to get started. It is light and easy to use, and also very powerful.


Features

  • Up-to-date dependencies: Flask 2.0.1
  • SCSS compilation via Gulp
  • DBMS: SQLite, PostgreSQL (production)
  • DB Tools: SQLAlchemy ORM, Flask-Migrate (schema migrations)
  • Modular design with Blueprints, simple codebase
  • Session-Based authentication (via flask_login), Forms validation
  • Deployment scripts: Docker, Gunicorn / Nginx, Heroku
  • Support via Github and Discord.

Links


Quick Start in Docker

Get the code

$ git clone https://github.com/app-generator/flask-now-ui-dashboard.git
$ cd flask-now-ui-dashboard

Start the app in Docker

$ docker-compose pull   # download dependencies 
$ docker-compose build  # local set up
$ docker-compose up -d  # start the app 

Visit http://localhost:85 in your browser. The app should be up & running.


Flask Now UI Dashboard - Open-source Flask template crafted by AppSeed.


How to use it

$ # Get the code
$ git clone https://github.com/app-generator/flask-now-ui-dashboard.git
$ cd flask-now-ui-dashboard
$
$ # Virtualenv modules installation (Unix based systems)
$ virtualenv env
$ source env/bin/activate
$
$ # Virtualenv modules installation (Windows based systems)
$ # virtualenv env
$ # .\env\Scripts\activate
$
$ # Install modules - SQLite Database
$ pip3 install -r requirements.txt
$
$ # OR with PostgreSQL connector
$ # pip install -r requirements-pgsql.txt
$
$ # Set the FLASK_APP environment variable
$ (Unix/Mac) export FLASK_APP=run.py
$ (Windows) set FLASK_APP=run.py
$ (Powershell) $env:FLASK_APP = ".\run.py"
$
$ # Set up the DEBUG environment
$ # (Unix/Mac) export FLASK_ENV=development
$ # (Windows) set FLASK_ENV=development
$ # (Powershell) $env:FLASK_ENV = "development"
$
$ # Start the application (development mode)
$ # --host=0.0.0.0 - expose the app on all network interfaces (default 127.0.0.1)
$ # --port=5000    - specify the app port (default 5000)  
$ flask run --host=0.0.0.0 --port=5000
$
$ # Access the dashboard in browser: http://127.0.0.1:5000/

Note: To use the app, please access the registration page and create a new user. After authentication, the app will unlock the private pages.


Code-base structure

The project is coded using blueprints, app factory pattern, dual configuration profile (development and production) and an intuitive structure presented bellow:

< PROJECT ROOT >
   |
   |-- apps/
   |    |
   |    |-- home/                          # A simple app that serve HTML files
   |    |    |-- routes.py                 # Define app routes
   |    |
   |    |-- authentication/                # Handles auth routes (login and register)
   |    |    |-- routes.py                 # Define authentication routes  
   |    |    |-- models.py                 # Defines models  
   |    |    |-- forms.py                  # Define auth forms (login and register) 
   |    |
   |    |-- static/
   |    |    |-- <css, JS, images>         # CSS files, Javascripts files
   |    |
   |    |-- templates/                     # Templates used to render pages
   |    |    |-- includes/                 # HTML chunks and components
   |    |    |    |-- navigation.html      # Top menu component
   |    |    |    |-- sidebar.html         # Sidebar component
   |    |    |    |-- footer.html          # App Footer
   |    |    |    |-- scripts.html         # Scripts common to all pages
   |    |    |
   |    |    |-- layouts/                   # Master pages
   |    |    |    |-- base-fullscreen.html  # Used by Authentication pages
   |    |    |    |-- base.html             # Used by common pages
   |    |    |
   |    |    |-- accounts/                  # Authentication pages
   |    |    |    |-- login.html            # Login page
   |    |    |    |-- register.html         # Register page
   |    |    |
   |    |    |-- home/                      # UI Kit Pages
   |    |         |-- index.html            # Index page
   |    |         |-- 404-page.html         # 404 page
   |    |         |-- *.html                # All other pages
   |    |    
   |  config.py                             # Set up the app
   |    __init__.py                         # Initialize the app
   |
   |-- requirements.txt                     # Development modules - SQLite storage
   |-- requirements-mysql.txt               # Production modules  - Mysql DMBS
   |-- requirements-pqsql.txt               # Production modules  - PostgreSql DMBS
   |
   |-- Dockerfile                           # Deployment
   |-- docker-compose.yml                   # Deployment
   |-- gunicorn-cfg.py                      # Deployment   
   |-- nginx                                # Deployment
   |    |-- appseed-app.conf                # Deployment 
   |
   |-- .env                                 # Inject Configuration via Environment
   |-- run.py                               # Start the app - WSGI gateway
   |
   |-- ************************************************************************

The bootstrap flow

  • run.py loads the .env file
  • Initialize the app using the specified profile: Debug or Production
    • If env.DEBUG is set to True the SQLite storage is used
    • If env.DEBUG is set to False the specified DB driver is used (MySql, PostgreSQL)
  • Call the app factory method create_app defined in app/init.py
  • Redirect the guest users to Login page
  • Unlock the pages served by home blueprint for authenticated users

Recompile CSS

To recompile SCSS files, follow this setup:


Step #1 - Install tools

  • NodeJS 12.x or higher
  • Gulp - globally
    • npm install -g gulp-cli
  • Yarn (optional)

Step #2 - Change the working directory to assets folder

$ cd apps/static/assets

Step #3 - Install modules (this will create a classic node_modules directory)

$ npm install
// OR
$ yarn

Step #4 - Edit & Recompile SCSS files

$ gulp scss

The generated file is saved in static/assets/css directory.


Deployment

The app is provided with a basic configuration to be executed in Docker, Heroku, Gunicorn, and Waitress.

Heroku


Steps to deploy on Heroku

  • Create a FREE account on Heroku platform
  • Install the Heroku CLI that match your OS: Mac, Unix or Windows
  • Open a terminal window and authenticate via heroku login command
  • Clone the sources and push the project for LIVE deployment
$ # Clone the source code:
$ git clone https://github.com/app-generator/flask-now-ui-dashboard.git
$ cd flask-now-ui-dashboard
$
$ # Check Heroku CLI is installed
$ heroku -v
heroku/7.25.0 win32-x64 node-v12.13.0 # <-- All good
$
$ # Check Heroku CLI is installed
$ heroku login
$ # this commaond will open a browser window - click the login button (in browser)
$
$ # Create the Heroku project
$ heroku create
$
$ # Trigger the LIVE deploy
$ git push heroku master
$
$ # Open the LIVE app in browser
$ heroku open

Gunicorn


Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX.

Install using pip

$ pip install gunicorn

Start the app using gunicorn binary

$ gunicorn --bind 0.0.0.0:8001 run:app
Serving on http://localhost:8001

Visit http://localhost:8001 in your browser. The app should be up & running.


Waitress


Waitress (Gunicorn equivalent for Windows) is meant to be a production-quality pure-Python WSGI server with very acceptable performance. It has no dependencies except ones that live in the Python standard library.

Install using pip

$ pip install waitress

Start the app using waitress-serve

$ waitress-serve --port=8001 run:app
Serving on http://localhost:8001

Visit http://localhost:8001 in your browser. The app should be up & running.


Credits & Links



Flask Now UI Dashboard - Provided by AppSeed App Generator.