Update mysite/settings.py, manifest.yaml files

manifest.yaml

@@ -176,7 +176,7 @@ template:
         containers:
             - name: django
               image: $CI_REGISTRY_IMAGE/$CI_COMMIT_REF_NAME/polls:${CI_COMMIT_SHORT_SHA}
-          command: ['python', 'manage.py', 'migrate']
+              command: ['python', '/app/manage.py', 'migrate']
               env:
               - name: DATABASE_NAME
                 valueFrom:

mysite/settings.py

@@ -85,7 +85,7 @@ DATABASES = {
         'NAME': 'polls',
         'USER': os.getenv('DATABASE_USER'),
         'PASSWORD': os.getenv('DATABASE_PASSWORD'),
-        'HOST': os.getenv('DATABASE_NAME'),
+        'HOST': os.getenv('DATABASE_HOST'),
         'PORT': '5432',
     }
 }