Organize local infrastructure and Vault secrets by service ownership

backend/product/config.example.yml

@@ -32,8 +32,6 @@ api:
       check:
         min_length: 12
   notifications:
-    address: localhost:8443
+    address: localhost:8083
     token_env: SXCHNGE_NOTIFICATIONS_TOKEN
-    ca_file: ../notifications/tls/ca.pem
-    server_name: localhost
     activation_url: http://localhost:5126/verify-email