fix default value of app.env

pallets · Aug 4, 2022 · a6a7a57 · a6a7a57
1 parent 4984753
commit a6a7a57
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -3,6 +3,9 @@ Version 2.2.2
 
 Unreleased
 
+-   Fix the default value for ``app.env`` to be ``"production"``. This
+    attribute remains deprecated. :issue:`4740`
+
 
 Version 2.2.1
 -------------

diff --git a/src/flask/app.py b/src/flask/app.py
@@ -827,7 +827,7 @@ def make_config(self, instance_relative: bool = False) -> Config:
         if instance_relative:
             root_path = self.instance_path
         defaults = dict(self.default_config)
-        defaults["ENV"] = os.environ.get("FLASK_ENV") or "development"
+        defaults["ENV"] = os.environ.get("FLASK_ENV") or "production"
         defaults["DEBUG"] = get_debug_flag()
         return self.config_class(root_path, defaults)