diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..b81e7c0
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,20 @@
+# 排除環境變數與 Git 資訊
+.env
+.git
+.gitignore
+.dockerignore
+
+# 排除 Python 暫存與虛擬環境
+__pycache__/
+*.pyc
+.venv/
+.python-version
+
+# 排除肥大的 Firefox 資料與 Playwright 暫存
+app/line_user_data_firefox/
+app/.cache/
+
+# 排除說明文件與部署腳本
+structure.txt
+README.md
+deploy.yaml
\ No newline at end of file