creaded correct docker image creation file

.env.example

@@ -12,9 +12,10 @@ DATABASE_URL=sqlite:///instance/dev.db
 REDIS_HOST=redis
 REDIS_PORT=6379
 
-# Admin User
-ADMIN_USER=admin
-ADMIN_PASSWORD=Initial01!
+# Admin User Credentials (used during initial Docker deployment)
+# These credentials are set when the database is first created
+ADMIN_USERNAME=admin
+ADMIN_PASSWORD=change-this-secure-password
 
 # Optional: Sentry for error tracking
 # SENTRY_DSN=your-sentry-dsn-here