Connection to PROD Db utilizing ENV variable

.travis.yml

@@ -13,6 +13,7 @@ env:
   -DB_PORT=5432
   -SECRET_KEY=YOUR-SECRET-KEY
   -ALLOWED_HOSTS=.localhost, .herokuapp.com
+  -DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}
 install:
   - pip install -r requirements.txt
 before_script:

README.md

@@ -37,6 +37,15 @@ cp .env.sample .env
 
 Now edit .env fill the generated `.env` file with your credentials to run it locally.
 
+## Database 
+
+For the Database to be used(in Production),
+you can export the connection url in `DATABASE_URL`,
+eg,
+```sh
+$ export DATABASE_URL=postgres://postgres:[email protected]:5432/test
+```
+
 ## Running
 
 ```sh

certificate_generator/settings.py

@@ -92,17 +92,9 @@
     }
 else:
     DATABASES = {
-        'default': {
-            'ENGINE': 'django.db.backends.postgresql_psycopg2',
-            'NAME': config('DB_NAME'),
-            'USER': config('DB_USER'),
-            'PASSWORD': config('DB_PASSWORD'),
-            'HOST': config('DB_HOST'),
-            'PORT': config('DB_PORT'),
-        }
+        'default': dj_database_url.config(default=config('DATABASE_URL'))
     }
 
-
 # Password validation
 # https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators