Use getenv for SECRET_KEY

Author: pamelafox

azure.yaml

@@ -0,0 +1,9 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/Azure/azure-dev/main/schemas/v1.0/azure.yaml.json
+
+name: flask-postgresql-sample-app
+
+services:
+  web:
+    project: .
+    language: py
+    host: appservice

azureproject/production.py

@@ -1,7 +1,7 @@
 import os
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'flask-insecure-7ppocbnx@w71dcuinn*t^_mzal(t@o01v3fee27g%rg18fc5d@'
+SECRET_KEY = os.getenv('SECRET_KEY', 'flask-insecure-7ppocbnx@w71dcuinn*t^_mzal(t@o01v3fee27g%rg18fc5d@')
 
 DEBUG = False
 ALLOWED_HOSTS = [os.environ['WEBSITE_HOSTNAME']] if 'WEBSITE_HOSTNAME' in os.environ else []