Squashed commit of the following:

commit f1db9b9dc1026760a43028e548572db4e639976e
Author: Sonny <sonnyba871@gmail.com>
Date:   Mon Mar 16 20:47:15 2020 +0100

    Add port setting

src/newsreader/conf/production.py

@@ -17,6 +17,7 @@ DATABASES = {
     "default": {
         "ENGINE": "django.db.backends.postgresql",
         "HOST": os.environ["POSTGRES_HOST"],
+        "PORT": os.environ["POSTGRES_PORT"],
         "NAME": os.environ["POSTGRES_NAME"],
         "USER": os.environ["POSTGRES_USER"],
         "PASSWORD": os.environ["POSTGRES_PASSWORD"],