## Windows
python -m venv .venv
source .venv/Scripts/activate # Ativar ambiente

## Linux 
## Caso não tenha virtualenv. "pip install virtualenv"
virtualenv .venv
source .venv/bin/activate # Ativar ambiente

pip install django
pip install pillow

pip freeze > requirements.txt

django-admin startproject core .

python manage.py runserver

import os 

# base_dir config
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
TEMPLATE_DIR = os.path.join(BASE_DIR,'templates')
STATIC_DIR=os.path.join(BASE_DIR,'static')

# Database
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), 
    }
}

STATIC_ROOT = os.path.join(BASE_DIR,'static')
STATIC_URL = '/static/' 

MEDIA_ROOT=os.path.join(BASE_DIR,'media')
MEDIA_URL = '/media/'

# Internationalization
# Se quiser deixar em PT BR
LANGUAGE_CODE = 'pt-br'
TIME_ZONE = 'America/Sao_Paulo'
USE_I18N = True
USE_L10N = True
USE_TZ = True

from django.contrib import admin
from django.conf import settings
from django.conf.urls.static import static
from django.urls import path

urlpatterns = [
    path('admin/', admin.site.urls),
]

urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT) # Adicionar Isto
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT) # Adicionar Isto

## Não precisa colocar "" aspas
SECRET_KEY=django-insecure-q(ge$586x7o9n)3w+6d_^t(m!ib&9%_m8&6@=m=sy@^7qf)#*_
DEBUG=True
SUPER_USER=ADMIN
EMAIL=leticiateste@gmail.com

NAME_DB=db.sqlite3
USER_DB=root
PASSWORD_DB=
HOST_DB=localhost
PORT_DB=3306

EMAIL_HOST = 'smtp.office365.com' 
EMAIL_HOST_USER = '[email protected]' 
EMAIL_HOST_PASSWORD = 'sua senha' 
EMAIL_PORT = 587 
EMAIL_USE_TLS = True 
DEFAULT_FROM_EMAIL = '[email protected]'
SERVER_EMAIL = DEFAULT_FROM_EMAIL

# importar a biblioteca
from dotenv import load_dotenv

# adicionar essa tag para que nosso projeto encontre o .env
load_dotenv(os.path.join(BASE_DIR, ".env"))

# chamar as variaveis assim
SECRET_KEY = os.getenv("SECRET_KEY")

DEBUG = os.getenv('DEBUG')

DATABASES = {
  'default': {
      'ENGINE': 'django.db.backends.sqlite3',
      'NAME': os.path.join(BASE_DIR, os.getenv('NAME_DB')),
			#'USER':os.getenv('USER_DB')
			#'PASSWORD': os.getenv('PASSWORD_DB')
			#'HOST':os.getenv('HOST_DB')
			#'PORT':os.getenv('PORT_DB')

	}
}

# Se tiver configuração de email
EMAIL_HOST = os.getenv('EMAIL_HOST')
EMAIL_HOST_USER = os.getenv('EMAIL_HOST_USER')
EMAIL_HOST_PASSWORD = os.getenv('EMAIL_HOST_PASSWORD') 
EMAIL_PORT = os.getenv('EMAIL_PORT') 
EMAIL_USE_TLS = os.getenv('EMAIL_USE_TLS') 
DEFAULT_FROM_EMAIL = os.getenv('DEFAULT_FROM_EMAIL')
SERVER_EMAIL = DEFAULT_FROM_EMAIL

from corsheaders.defaults import default_headers

# Adicionar no settings.py
INSTALLED_APPS = [
    ...,
    "corsheaders",
    ...,
]

ALLOWED_HOSTS = [ 
		'localhost', 
		'127.0.0.1',  
]

CORS_ALLOW_HEADERS = list(default_headers) + [
    	'X-Register',
]

# CORS Config
CORS_ORIGIN_ALLOW_ALL = True
CORS_ALLOW_CREDENTIALS = False

if not DEBUG:
	SECURE_SSL_REDIRECT = True
	ADMINS = [(os.getenv('SUPER_USER'), os.getenv('EMAIL'))]
	SESSION_COOKIE_SECURE = True
	CSRF_COOKIE_SECURE = True

# Logs
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'handlers': {
        'requestlogs_to_file': {
            'level': 'INFO',
            'class': 'logging.FileHandler',
            'filename': 'info.log',
        },
    },
    'loggers': {
        'requestlogs': {
            'handlers': ['requestlogs_to_file'],
            'level': 'INFO',
            'propagate': False,
        },
    },
}

REQUESTLOGS = {
    'SECRETS': ['password', 'token'],
    'METHODS': ('PUT', 'PATCH', 'POST', 'DELETE'),
}

MIDDLEWARE_CLASSES = [
    # ...
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django_session_timeout.middleware.SessionTimeoutMiddleware',
    # ...
]

# timeout tempo de inatividate no sistema
SESSION_EXPIRE_SECONDS = 1800 
SESSION_EXPIRE_AFTER_LAST_ACTIVITY = True
#SESSION_EXPIRE_AFTER_LAST_ACTIVITY_GRACE_PERIOD = 60  
SESSION_TIMEOUT_REDIRECT = 'http://localhost:8000/'

LOGIN_URL = 'login'
LOGIN_REDIRECT_URL = '/'
LOGOUT_REDIRECT_URL = '/'

# from myapp import models

def context_social(request):
    return {'social': 'Exibir este contexto em qualquer lugar!'}

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
                # Apps
                'core.context_processors.context_social', 
            ],
        },
    },
]

python manage.py startapp base

{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>{% block title %}{% endblock %}</title>
	
	<!-- CSS -->
	<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-rbsA2VBKQhggwzxH7pPCaAqO46MgnOM80zW1RWuH61DGLwZJEdK2Kadq2F9CUG65" crossorigin="anonymous">
	
	<link rel="stylesheet" href="{% static 'css/style.css' %}">
	
</head>
<body>  
	
	{% block content %}
	
	{% endblock %} 
 
	<!-- JS-->
	<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-kenU1KFdBIe4zVF0s0G1M5b4hcpxyD9F7jL+jjXkk+Q2h455rYXK/7HAuoJl+0I4" crossorigin="anonymous"></script>
	<script src="{% static 'js/scripts.js' %}"></script>
</body>
</html>

# --- Messages --- #
from django.contrib.messages import constants

MESSAGE_TAGS = {
	constants.ERROR: 'alert-danger',
	constants.WARNING: 'alert-warning',
	constants.DEBUG: 'alert-info',
	constants.SUCCESS: 'alert-success',
	constants.INFO: 'alert-info',
}

{% if messages %}
<div class="messages">
    {% for message in messages %}
    <div {% if message.tags %} class="alert {{ message.tags }}"{% endif %} role="alert">{{ message }}</div>
    {% endfor %}
</div>
{% endif %}

<body> 
	{% include 'message.html' %} ## adiciona isso.
	{% block content %}
	{% endblock %} 
</body>

python manage.py startapp myapp

from django.shortcuts import render

# Create your views here.
def index(request):
    return render(request, 'index.html')

from django.contrib import admin
from django.urls import path, include # adicionar include
from django.conf import settings
from django.conf.urls.static import static 

urlpatterns = [
    path('admin/', admin.site.urls),
    path('', include('myapp.urls')), # url do app
]
urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT) # Adicionar Isto
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT) # Adicionar Isto

python manage.py makemigrations && python manage.py migrate
python manage.py runserver