use .env for setting

Author: dori-dev

.env

@@ -0,0 +1,8 @@
+SECRET_KEY=abc
+DEBUG=1
+ALLOWED_HOSTS=127.0.0.1,localhost
+DB_NAME=chat_data
+DB_USER=postgres
+DB_PASSWORD=password
+DB_HOST=localhost
+DB_POST=5432

core/settings.py

@@ -21,12 +21,17 @@
 # See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'django-insecure-r-6oa@6p)#jku)f4)-t!)&g%t6h^-3r7y-tgd&k61vsc)^ex2i'
+SECRET_KEY = os.environ.get('SECRET_KEY', 'django-insecure-secret-key')
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
-
-ALLOWED_HOSTS = []
+the_debug = os.environ.get('DEBUG', '1') == '1'
+if the_debug:
+    DEBUG = True
+    ALLOWED_HOSTS = []
+else:
+    DEBUG = False
+    default_host = "127.0.0.1,localhost"
+    ALLOWED_HOSTS = os.environ.get('ALLOWED_HOSTS', default_host).split(',')
 
 
 # Application definition
@@ -93,11 +98,11 @@
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.postgresql_psycopg2',
-        'NAME': 'chat_data',
-        'USER': 'postgres',
-        'PASSWORD': 'password',
-        'HOST': 'localhost',
-        'POST': 5432,
+        'NAME': os.environ.get('DB_NAME', 'chat_data'),
+        'USER': os.environ.get('DB_USER', 'postgres'),
+        'PASSWORD': os.environ.get('DB_PASSWORD', 'password'),
+        'HOST': os.environ.get('DB_HOST', 'localhost'),
+        'POST': int(os.environ.get('DB_POST', '5432')),
         'TEST': {
             'NAME': os.path.join(BASE_DIR, 'db_test.sqlite3')
         }

manage.py

@@ -2,10 +2,17 @@
 """Django's command-line utility for administrative tasks."""
 import os
 import sys
+import dotenv
+import pathlib
 
 
 def main():
     """Run administrative tasks."""
+    DOT_ENV_PATH = pathlib.Path() / '.env'
+    if DOT_ENV_PATH.exists():
+        dotenv.read_dotenv(DOT_ENV_PATH)
+    else:
+        print("No .env found, be sure to make it!")
     os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
     try:
         from django.core.management import execute_from_command_line

requirements.txt

@@ -6,4 +6,5 @@ djangorestframework==3.13.1
 Markdown==3.3.6
 django-filter==21.1
 psycopg2==2.9.3
-django-adminlte-3==0.1.6
+django-adminlte-3==0.1.6
+django-dotenv==1.4.2