fix: adding load_dotenv to manage environment variable

.env.dev

-DEBUG=1
-SECRET_KEY=foo
-DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1]
\ No newline at end of file

config/constants.py

-DATABASES = {
-    "default": {
-        "ENGINE": "django.db.backends.mysql",
-        "NAME": "library_app_dev",
-        "USER": "root",
-        "PASSWORD": "ilhammaulana13",
-        "HOST": "localhost",
-        "PORT": "3306",
-    }
-}
-
-LIST_HOST = [
-    "localhost",
-    "127.0.0.1",
-    "192.168.2.252",
-    "library_app.ilhammaulana.me",
-]

config/settings.py

@@ -10,8 +10,11 @@ For the full list of settings and their values, see
 https://docs.djangoproject.com/en/5.0/ref/settings/
 """
 
+import os
 from pathlib import Path
-from .constants import DATABASES, LIST_HOST
+from dotenv import load_dotenv
+
+load_dotenv()
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -21,11 +24,16 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 # See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = "PkJtZr9Ctg7/Rg2PraJTxlW3w0szR8pi0UKylLc/5+lGGt+Z8zIctlRrRcgcC40ajeBLHp9227fMHAFx8b6Rsg=="
+SECRET_KEY = os.environ.get("SECRET_KEY")
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = False
-ALLOWED_HOSTS = LIST_HOST
+ALLOWED_HOSTS = [
+    "localhost",
+    "127.0.0.1",
+    os.environ.get("IP_HOST"),
+    "library_app.ilhammaulana.me",
+]
 
 
 # Application definition
@@ -94,7 +102,16 @@ WSGI_APPLICATION = "config.wsgi.application"
 #     }
 # }
 
-DATABASES = DATABASES
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.mysql",
+        "NAME": os.environ.get("DB_NAME"),
+        "USER": os.environ.get("DB_USER"),
+        "PASSWORD": os.environ.get("DB_PASSWORD"),
+        "HOST": os.environ.get("DB_HOST"),
+        "PORT": os.environ.get("DB_PORT"),
+    }
+}
 
 # Password validation
 # https://docs.djangoproject.com/en/5.0/ref/settings/#auth-password-validators

requirements.txt

 asgiref==3.8.1