/django-heroku

Minimal configuration to host a Django project at Heroku

django-heroku

Minimal configuration to host a Django project at Heroku

Create the project directory

mkdir directory_name
cd directory_name

Create and activate your virtuanenv

python3 -m venv venv
source venv/bin/activate

Installing django

pip install django

Create the django project

django-admin startproject myproject

Creating the Git repository

git init

Create a file called .gitignore with the following content:

# See the name for you IDE
.idea
# If you are using sqlite3
*.sqlite3
# Name of your virtuan env
.vEnv
*pyc
git add .
git commit -m 'First commit'

Hidding instance configuration

pip install python-decouple

Create an .env file at the root path and insert the following variables.

SECRET_KEY=Your$eCretKeyHere #(Get this secrety key from the settings.py)
DEBUG=True

Settings.py

from decouple import config

SECRET_KEY = config('SECRET_KEY')
DEBUG = config('DEBUG', default=False, cast=bool)

Configuring the Data Base

pip install dj-database-url

Settings.py

from dj_database_url import parse as dburl

default_dburl = 'sqlite:///' + os.path.join(BASE_DIR, 'db.sqlite3')

DATABASES = {
    'default': config('DATABASE_URL', default=default_dburl, cast=dburl),
}

Static files

pip install dj-static

wsgi

from dj_static import Cling

application = Cling(get_wsgi_application())

Settings.py

STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')

Create a requirements-dev.txt

pip freeze > requirements-dev.txt

Create a file requirements.txt file and include reference to previows file and add two more requirements

-r requirements-dev.txt
gunicorn
psycopg2

Create a file Procfile and add the following code

web: gunicorn website.wsgi --log-file -

Create a file runtime.txt and add the following core

python-3.6.0

Creating the app at Heroku

You should install heroku CLI tools in your computer previously ( See http://bit.ly/2jCgJYW )

heroku apps:create app-name

Remember to grab the address of the app in this point

Setting the allowed hosts

include your address at the ALLOWED_HOSTS directives in settings.py - Just the domain, make sure that you will take the protocol and slashes from the string.

Heroku install config plugin

heroku plugins:install heroku-config

Sending configs from .env to Heroku ( You have to be inside tha folther where .env files is)

heroku plugins:install heroku-config
heroku config:push -a

To show heroku configs do

heroku config

Publishing the app

git add .
git commit -m 'Configuring the app'
git push heroku master --force

Creating the data base

heroku run python3 manage.py migrate

Creating the Django admin user

heroku run python3 manage.py createsuperuser

EXTRAS

You may need to disable the collectstatic

heroku config:set DISABLE_COLLECTSTATIC=1

Changing a specific configuration

heroku config:set DEBUG=True