Add missing env_file setting & remove redundant database settings

docker-compose.yml

@@ -49,6 +49,7 @@ services:
       --workdir /app/src/
       --beat
       --scheduler django
+    env_file: ./.env
     environment:
       - DJANGO_SETTINGS_MODULE=newsreader.conf.production
     depends_on:

src/newsreader/conf/production.py

@@ -14,17 +14,6 @@ ADMINS = [
     if os.environ.get("ADMINS")
 ]
 
-DATABASES = {
-    "default": {
-        "ENGINE": "django.db.backends.postgresql",
-        "HOST": os.environ["POSTGRES_HOST"],
-        "PORT": os.environ["POSTGRES_PORT"],
-        "NAME": os.environ["POSTGRES_DB"],
-        "USER": os.environ["POSTGRES_USER"],
-        "PASSWORD": os.environ["POSTGRES_PASSWORD"],
-    }
-}
-
 TEMPLATES = [
     {
         "BACKEND": "django.template.backends.django.DjangoTemplates",