diff --git a/django_school/django_school/settings.py b/django_school/django_school/settings.py
index 32c8dd4d..f5b02f9b 100644
--- a/django_school/django_school/settings.py
+++ b/django_school/django_school/settings.py
@@ -1,142 +1,21 @@
-"""
-Django settings for django_school project.
-
-Generated by 'django-admin startproject' using Django 2.0.1.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/2.0/topics/settings/
-
-For the full list of settings and their values, see
-https://docs.djangoproject.com/en/2.0/ref/settings/
-"""
-
-import os
-
-from django.contrib.messages import constants as messages
-
-# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
-BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-
-
-# Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/
-
-# SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'd$pxg6fisc4iwzk&vz^s_d0lkf&k63l5a8f!obktw!jg#4zvp3'
-
-# SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
-
-ALLOWED_HOSTS = []
-
-
-# Application definition
-
-INSTALLED_APPS = [
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'django.contrib.humanize',
-
-    'crispy_forms',
-
-    'classroom',
-]
-
-MIDDLEWARE = [
-    'django.middleware.security.SecurityMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
-]
-
-ROOT_URLCONF = 'django_school.urls'
-
-TEMPLATES = [
-    {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [
-            os.path.join(BASE_DIR, 'templates')
-        ],
-        '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',
-            ],
-        },
-    },
-]
-
-WSGI_APPLICATION = 'django_school.wsgi.application'
-
-
-# Database
-# https://docs.djangoproject.com/en/2.0/ref/settings/#databases
-
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
-    }
-}
-
-
-# Internationalization
-# https://docs.djangoproject.com/en/2.0/topics/i18n/
-
-LANGUAGE_CODE = 'en-us'
-
-TIME_ZONE = 'UTC'
-
-USE_I18N = True
-
-USE_L10N = True
-
-USE_TZ = True
-
-
-# Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/2.0/howto/static-files/
-
-STATIC_URL = '/static/'
-
-STATICFILES_DIRS = [
-    os.path.join(BASE_DIR, 'static'),
-]
-
-
-# Custom Django auth settings
-
-AUTH_USER_MODEL = 'classroom.User'
-
-LOGIN_URL = 'login'
-
-LOGOUT_URL = 'logout'
-
-LOGIN_REDIRECT_URL = 'home'
-
-LOGOUT_REDIRECT_URL = 'home'
-
-
-# Messages built-in framework
-
-MESSAGE_TAGS = {
-    messages.DEBUG: 'alert-secondary',
-    messages.INFO: 'alert-info',
-    messages.SUCCESS: 'alert-success',
-    messages.WARNING: 'alert-warning',
-    messages.ERROR: 'alert-danger',
-}
-
-
-# Third party apps configuration
-
-CRISPY_TEMPLATE_PACK = 'bootstrap4'
+import os
+import environ
+
+env = environ.Env()
+
+SECRET_KEY = env('SECRET_KEY')
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+# Use parameterized queries instead of string formatting
+from django.db import connection
+
+def get_user_data(name):
+    with connection.cursor() as cursor:
+        cursor.execute("SELECT * FROM users WHERE name = %s", [name])
+        return cursor.fetchall()
\ No newline at end of file