diff --git a/django_rest_api/.settings.py.swp b/django_rest_api/.settings.py.swp
index 4188d2a..aeb72ee 100644
Binary files a/django_rest_api/.settings.py.swp and b/django_rest_api/.settings.py.swp differ
diff --git a/django_rest_api/__pycache__/settings.cpython-39.pyc b/django_rest_api/__pycache__/settings.cpython-39.pyc
index ad772fd..0d59d3e 100644
Binary files a/django_rest_api/__pycache__/settings.cpython-39.pyc and b/django_rest_api/__pycache__/settings.cpython-39.pyc differ
diff --git a/django_rest_api/settings.py b/django_rest_api/settings.py
index e632e4c..d7f5f9d 100644
--- a/django_rest_api/settings.py
+++ b/django_rest_api/settings.py
@@ -11,6 +11,7 @@ https://docs.djangoproject.com/en/3.1/ref/settings/
 """
 
 from pathlib import Path
+import dj_database_url # add this
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -25,7 +26,7 @@ SECRET_KEY = '6d*ktt0=6-!)i1bdxk4(^)*ls-eseg(k12m2vefor1-g@vc5kn'
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['localhost', 'desolate-thicket-29906.herokuapp.com']
 
 
 # Application definition
@@ -89,6 +90,8 @@ DATABASES = {
     }
 }
 
+db_from_env = dj_database_url.config(conn_max_age=600) # add this
+DATABASES['default'].update(db_from_env) # add this
 
 # Password validation
 # https://docs.djangoproject.com/en/3.1/ref/settings/#auth-password-validators
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..fa365fe
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,9 @@
+asgiref==3.3.1
+dj-database-url==0.5.0
+Django==3.1.6
+django-cors-headers==3.7.0
+djangorestframework==3.12.2
+gunicorn==20.0.4
+psycopg2-binary==2.8.6
+pytz==2021.1
+sqlparse==0.4.1