diff --git a/Dockerfile b/Dockerfile
index ebc14728..819873ad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -50,7 +50,7 @@ ENV DEBIAN_FRONTEND=noninteractive \
     LANG=en_US.UTF-8 \
     LANGUAGE=en_US:en \
     LC_ALL=en_US.UTF-8 \
-    APP_ENV=prod
+    APP_ENV=dev
 
 # Set ARG for build-time expansion (FLASK_PORT), ENV for runtime access
 ENV FLASK_PORT=8084