diff --git a/.gitignore b/.gitignore
index dfc017e9..b9f9fd28 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,7 @@ node_modules/
 package-lock.json
 
 .env.*
+
+# Dart/Flutter generated files with absolute host paths — must not be committed
+.dart_tool/
+*/.dart_tool/
diff --git a/flutter/.dockerignore b/flutter/.dockerignore
new file mode 100644
index 00000000..6addd345
--- /dev/null
+++ b/flutter/.dockerignore
@@ -0,0 +1,12 @@
+# Generated by flutter pub get — contains absolute host paths
+.dart_tool/
+
+# Build output
+build/
+
+# IDE
+.idea/
+.vscode/
+
+# Dart analysis cache
+.dart_tool/dart_stagehand_template/